Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 328
322 Single Microscope,I-.O-f-.f-i, /--«£-, D-j^ *-•■¥> … 323 When the object 0 is beyond the focaldistance the image I will be inverted. I:0=f:D-f, I=M, ,-*£ 324 Diminishing Power of a DoubleConcave Lens. 1= °/ I:0-f:f+D ,-tntp. srfo 325 *i Astronomical Telescope, 1 = OF I:0 = F:f, - 2>^*+ a/D—F^a+f * -f for astronomical telescope, — for…
Mechanical engineering · Engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
