itdg london (175 resultados)

Soft cover. Condición: Very Good. 2nd Edition. 78 pages, references, bibliougraphy. Spine and top rear edge sunned, slight wear.

Paperback. Condición: new. Paperback. An examination of the criteria for the establishment of mini cement plants in developing countries, specifically comparing the situation in India with that in China, where more than 57 per cent of cement is produced by small plants. An examination of the criteria for the establishment of mini cement plants in developing countries, specifically comparing the situation in India with that in China, where more than 57 per cent of cement is produced by small plants. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Using simple plans and photographs this booklet describes the construction and assembly of a metal-bending machine, whose main feature is the ability to form wheel rims from cold flat mild steel; this wheel can be used on farm carts and other basic equipment. Using simple plans and photographs this booklet describes the construction and assembly of a metal-bending machine, whose main feature is the ability to form wheel rims from cold flat mild steel; this wheel can be used on farm carts and other basic equipment. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Aimed at those working on stove projects or manufacture of ceramic stoves, this books offers clear explanations of some of the causes of the problems encountered while the stove is in use and gives straightforward methods of avoiding them. The findings of a clay-testing programme carried out with a number of different Asian and African clays are outlined and results show a strong correlation between the clay/non-clay ratio. It describes a method of clay testing, the clay/non clay ratio measurement technique which will reduce the chance of stoves failing through thermally induced stress. Aimed at those working on stove projects or manufacture of ceramic stoves, this books offers clear explanations of some of the causes of the problems encountered while the stove is in use and gives straightforward methods of avoiding them. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Construction details for a stencil duplicator that can be built using simple woodworking tools, and is easy to use and maintain. Includes templates for use in construction. Construction details for a stencil duplicator that can be built using simple woodworking tools, and is easy to use and maintain. Includes templates for use in construction. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This manual describes how to build a machine for rolling sheet metal into curves and cylinders and gives full dimensions and assembly instructions. This manual describes how to build a machine for rolling sheet metal into curves and cylinders and gives full dimensions and assembly instructions. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This machine would be a useful addition to any woodwork shop, enabling new products to be made without the use of electricity. It could be the basis for a village industry, and can be built by most small metal workshops and blacksmiths. This machine would be a useful addition to any woodwork shop, enabling new products to be made without the use of electricity. It could be the basis for a village industry, and can be built by most small metal workshops and blacksmiths. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Gives full details on how to build and use a versatile machine for working sheet metal Gives full details on how to build and use a versatile machine for working sheet metal. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. These simple specifications, although originally applied to the Kenya road program, are equally applicable to labour-intensive projects in other countries. These simple specifications, although originally applied to the Kenya road program, are equally applicable to labour-intensive projects in other countries. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Almost all fabrics, whether woven or knitted, are produced from spun thread. However, this thread or yarn, produced by the spinning operation, either by a hand spinner using the simplest drop spindle or spinning wheel, or spun on the latest automated spinning frame, is rarely in a form suitable to be used immediately for producing a fabric. A broad range of tasks must be undertaken before the actual fabric production is reached. "Yarn Preparation" is concerned with the preparation of yarns which have been spun from staple fibres, and describes the post-spinning processes prior to fabric manufacture, such as yarn doubling, winding and spinning. Covers the operations to consider when producing a fabric by even the most basic of techniques. The information on basic processes, machinery and equipment should assist those people involved in the production of fabrics by showing ways to improve the quality to the end product. Includes a list of suppliers, sources of further information and a reading list. This is a valuable book which fills the need for a practical manual specifically about yarn preparation.Much has been published about the main textile areas of yarn manufacture and fabric production (both weaving and knitting), because yarn preparation tends to be a series of link operations, there have been very few books specifically directed to this area of processing. The "Small-Scale Textiles" series aims to present basic information about all aspects of small-scale textile manufacture from raw rmaterials to finished products, and will be of use to fieldworkers, development agencies, and those starting small-scale manufacture or attempting to improve or extend manufacture. This is a valuable book which fills the need for a practical manual specifically about yarn preparation. Much has been published about the main textile areas of yarn manufacture and fabric production, because yarn preparation tends to be a series of link operations, there have been very few books specifically directed to this area of processing. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. A nutritional approach directed to rural women to encourage them to grow more and better food for their families in areas of widespread malnutrition. Includes details of suitable tools, plant varieties and gardening methods for the tropics and subtropics. A nutritional approach directed to rural women to encourage them to grow more and better food for their families in areas of widespread malnutrition. Includes details of suitable tools, plant varieties and gardening methods for the tropics and subtropics. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Course in Tropical Agriculture for the Staff of Co-operatives Course in Tropical Agriculture for the Staff of Co-operatives Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This guide is a quality directory of agricultural equipment and machinery which is suitable for small scale beekeeping and honey processing. A general introduction to beekeeping is followed by an illustrated catalogue of suitable equipment and the addresses of suppliers and manufacturers. This guide is a quality directory of agricultural equipment and machinery which is suitable for small scale beekeeping and honey processing. A general introduction to beekeeping is followed by an illustrated catalogue of suitable equipment and the addresses of suppliers and manufacturers. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Part One contains details of how to make and maintain a small hydraulic ram on a suitable site, whilst Part Two takes a more technical look at ram performances and design considerations and also contains a useful bibliography. Part One contains details of how to make and maintain a small hydraulic ram on a suitable site, whilst Part Two takes a more technical look at ram performances and design considerations and also contains a useful bibliography. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Soft cover. Condición: Very Good Minus. 2nd Edition. Very Good Minus with light cover edge wear, minor crease on bottom edge of cover. Content clean, binding strong. References, line drawings & diagrams.

Paperback. Condición: new. Paperback. A technical rationale of how and why natural fibres reinforce cement/concrete, with chapters on the strength properties, durability, manufacture and installation of natural fibre concrete products, fibre-cement, cement, and concrete. A technical rationale of how and why natural fibres reinforce cement/concrete, with chapters on the strength properties, durability, manufacture and installation of natural fibre concrete products, fibre-cement, cement, and concrete. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This book aims to assist anyone about to start or to expand a small scale foundry to consider the various available processes, and to select the most appropriate for the circumstances. Technical aspects covered include pattern-making, moulding, coremaking, melting cast iron, steel castings, non-ferrous metal castings, cleaning castings, safety, planning and sources of foundry equipment and materials. This book aims to assist anyone about to start or to expand a small scale foundry. Technical aspects covered include pattern-making, moulding, coremaking, melting cast iron, steel castings, non-ferrous metal castings, cleaning castings, safety, planning and sources of foundry equipment and materials. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Report on the deliberations from a regional workshop on standards and specifications for local building materials, dealing with regional co-operation, methodologies for establishing standards and procedures and quality control. Report on the deliberations from a regional workshop on standards and specifications for local building materials, dealing with regional co-operation, methodologies for establishing standards and procedures and quality control. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. The artisanal mining of alluvial gold is an extremely common small mining activity in many countries. This is a comprehensive and practical guide aimed at filling a need for improved goldmining techniques. The artisanal mining of alluvial gold is an extremely common small mining activity in many countries. This is a comprehensive and practical guide aimed at filling a need for improved goldmining techniques. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. The basic principles of spinning are described by the text and line drawings, and are supplemented by descriptions of methods of testing spun yarn quality; different types of small-scale spinning machines; and how to plan (Published in the Small-scale Textiles series). The basic principles of spinning are described by the text and line drawings, and are supplemented by descriptions of methods of testing spun yarn quality; different types of small-scale spinning machines; and how to plan (Published in the Small-scale Textiles series). Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This will help the managers of development projects to design and manage their projects well, in particular by emphasizing the importance of forward planning. Covers both starting up and running projects, and working with Northern partner organizations. This will help the managers of development projects to design and manage their projects well, in particular by emphasizing the importance of forward planning. Covers both starting up and running projects, and working with Northern partner organizations. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Aimed at small, rural communities this book offers an introduction to simple methods of making textile fabrics which are used throughout the world. Includes sections on weaving, knitting, fibre entanglement, lace-making, braiding and knotting (Published in the Small-scale Textiles series). Aimed at small, rural communities this book offers an introduction to simple methods of making textile fabrics which are used throughout the world. Includes sections on weaving, knitting, fibre entanglement, lace-making, braiding and knotting (Published in the Small-scale Textiles series). Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This is the last of the Small-scale Textile series and covers the pre-spinning processes which make plant fibres suitable for textile manufacture. The book includes not only familiar plant fibres such as cotton, sisal and jute, but also less well known fibres from plants such as Himalayan nettle, pineapple leaf and kenaf, which are of great value to small communities where they are used for both utilitarian and decorative purposes. As well as extraction and other pre-spinning processes, there is background information on the growing areas, soil and climatic requirements and methods of harvesting, and details of equipment suppliers and sources of further information. This book covers the pre-spinning processes which make plant fibres suitable for textile manufacture. It includes plant fibres such as cotton, sisal and jute, Himalayan nettle, pineapple leaf and kenaf, which are of great value to small communities where they are used for both utilitarian and decorative purposes. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. The text and line drawings describe chemical dyeing and printing techniques as they apply to small-scale operations, and how to plan for small-scale production.(Published in the Small-scale Textiles series). The text and line drawings describe chemical dyeing and printing techniques as they apply to small-scale operations, and how to plan for small-scale production.(Published in the Small-scale Textiles series). Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This book describes the stages of mulberry bush growing, silkworm egg production, silkworm rearing, silk cocoon reeling and silk fabric production. Ideal for fieldworkers, development agencies and those starting small-scale manufacture or attempting to improve or extend manufacture (Published in the Small-scale Textiles series). This book describes the stages of mulberry bush growing, silkworm egg production, silkworm rearing, silk cocoon reeling and silk fabric production. Ideal for fieldworkers, development agencies and those starting small-scale manufacture or attempting to improve or extend manufacture (Published in the Small-scale Textiles series). Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: Good. 8vo. Faded spine. Stain to inside front cover. Damp affected. Some underlining in pencil. Book.

Paperback. Condición: new. Paperback. An important and useful guide to the widely scattered literature on a subject of increasing importance - over 300 annotated items. An important and useful guide to the widely scattered literature on a subject of increasing importance - over 300 annotated items. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. An introduction to Co-operatives is a programmed learning text An introduction to Co-operatives is a programmed learning text Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. Windpumping is an established technology, with over one million windpumps in use worldwide. A windpump needs no fuel, little maintenance and it usually lasts 20 years or more. Designs exist which are suitable for small-scale local .manufacture. The aim of this handbook is to help potential users and decision makers take advantage of the benefits that windpumps can offer. This handbook was first written for a windpump familiarisation seminar held in Nairobi in November 1986. The seminar was organised and presented by I.T. Power, hosted by the Ministry of Water Development of Kenya and funded by the Overseas Development Administration. A windpump needs no fuel, little maintenance and it usually lasts 20 years or more. Designs exist which are suitable for small-scale local .manufacture. The aim of this handbook is to help potential users and decision makers take advantage of the benefits that windpumps can offer. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Paperback. Condición: new. Paperback. This handbook on tropical beekeeping for beginners is based on first hand Ghanaian experience. This handbook on tropical beekeeping for beginners is based on first hand Ghanaian experience. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.