Publicado por London Eyre and Spottiswood published at the Great Seal Patent Office c, 1875
Librería: M.A. Stroh., London, Reino Unido
Original o primera edición
no binding. Condición: good. First Edition. Original Printed patent disbound with printed front blue wrapper present but not the back wrapper (both often lacking in early patents) About 27cm by 18cm some wear and tear due to the disbinding.