COMPOUND BAR-LIMB MICROSCOPE WITH A 'CAPTAIN PERRY' ARM
MAKER:SWIFT
MODEL: 'PRESENTATION MICROSCOPE'
PLEASE SCROLL DOWN FOR MORE IMAGES
c.1877
SIGNED: 'JAMES SWIFT, 43 UNIVERSITY ST, LONDON W.C. PATENT'
Eyepieces:These include a pair of A,B,C and D,and one each of an E and F for higher power work. A third B eyepiece is labeled 'micrometer' and accepts through its slots the included Jackson eyepiece micrometer slider.