Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 192
L is placed over thelens, and the entire body is removed awayinto the dark, taking care not to disturbthe position of the stand. The body is nowdetached at the part H, and the plate in-closed in the brass frame k introduced inits place : the whole is again placed on thepedestal, the brass cap L is… … which lenses were altogether laid aside,and their place supplied by a concave mir-ror. The advantages derived from thisconstruction is the greater rapidity withwhich it acts, but there are many inconve-encies attached to it; it is only applicableto the small-sized plates, neither is it soportable…
Photography · Art and photography
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Original microscopic drawings made between the years 1824 and 1840 mostly published in works by Dr. Goring & A. Pritchard [graphic]. (1824)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b21301177-33-1.webp)
![An illustration from Original microscopic drawings made between the years 1824 and 1840 mostly published in works by Dr. Goring & A. Pritchard [graphic]. (1824)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b21301177-13-1.webp)
