Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 214
Fig. 143.—Bausch and Lombs professional stand. SECOND-CLASS STANDS .the same length, and they receive the same objectives and sub-stageiittings as No. 1. As a model toe prefer Becks small first-class stand to their Largeinstrument. It has an excellent single pillar tripocl foot,… … Fig. 144.—Mr. George Wales instrument with new form of limb. the mechanical movements of the stage, and rectangular movementsfor the sub-stage. This is a fine instrument, and would be admirablein every way with a more perfect line adjustment. Powell andLealands second-class instrument is, in all…
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