Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 813
uthor has the authority of theablest constructors of high-powerObjectives in this country forstating, that they still regard thePodura-scale as the best test fordefinition, and consequently forthat combination of qualities whichis most required in Objectives to be used for Biological… … Scale of Morpho Menelaus. * See Mr. Watsons Memoirs On the Scales of Battledore Butterflies,in Monthly Microscopical Journal, Vol. ii., pp. 73, 814. t The Author is assured that it is by no means an uncommon experience,on first putting together an Objective of wide aperture, to find it capable…
Microscopy · Biology
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
