A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures (1848)
Quekett, John, 1815-1861 · London, H. Bailliere · leaf 84
fig. 26, orand … and, consequently, the aberration is trifling. This lens givesa large field of view, which is equally good in all directions,and it little matters in what position it is held,hence it is peculiarly applicable as a hand mag-nifier. The lens is generally set in silverGerman silver, as represented…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
