Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 189
a Polarizingprism, F, mounted on an excentric arm, so as to be brought underthe axis of the condenser when not in use, and thrown out whennot wanted; and (5) an upper arm carrying two revolving cellsgeared together by fine teeth (one of them shown at d, while the 134 ACCESSORY APPAEATUS. other is… … Swifts Combination Sub-Stage. great variety of colour-tints with Polarized light; while the otherserves to receive oblique-light disks, to which rotation can be givenby the same means.—The special advantage of this Condenser liesin its having the polarizing prism, the selenite- and mica-films,…
Microscopy · Biology
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
