Upon some Improvements, proposed by Sir David Brewster, in the Photographic Camera. Contained in The American Journal of Science and Arts, 2nd Series, Volume 32, Issue 94, 95, 96 pages 227-232.
Editorial: New Haven, 1861. Being convinced by results he obtained, that a small aperture was indispensable to success in point of sharpness, Emerson conducts a test on Brewster's notion of a pin-hole camera. This paper covers the results of the test, and includes an in-text diagram. Three issues bound together. Contains other articles by Elias Loomis on the auroral exhibition, 7th & 8th article; a letter to the editors on the probable age of white limestone at Sussex and Franklin Mines, New Jersey by George Cooke; E. Emerson on an improvement in the Lenticular Stereoscope, and others. The periodical was considered the most important nineteenth century American scientific journal (see Lomazow pg. 58, Mott 302-305)., 1861
Encuadernación de tapa blanda