Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 95
square bar about 3^ inches longslides rather stiffiy; and one end of this bar carries anotherjoint, to which is attached a ring for holding the lenses. Bylengthening or shortening the pUlar, by varying the anglewhich the square bar makes with its summit, and by sliding thatbar through its socket,… … Rosss Simple Microscope. Rosss AJSD GATRDNEEs SlilPLE MICROSCOPES. 73 all instances, that tlie ring whicli carries the lens should (bymeans of its joint) be placed horizontally. At a is seen theposition which adapts it best for picking-out miiiute shells orfor other similar manipulations; the sand…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
