£100
A ZEISS 'MODEL L' BINOCULAR MICROSCOPE, CIRCA 1934
heavily constructed in coated steel, with a prismatic binocular eyepiece, signed on the left side as per title, and numbered 259528, contained within original fitted case with accessories -- 14½ x 9in. (37 x 23cm.)
Bonhams Knightsbridge, 14th December 1998, lot 184.
Dr Mill notes:
This model marked a radical change in microscope design and is the forerunner of modern construction. All the focussing controls were brought down below the stage level so that they fell readily to hand with the arms resting on the bench.
The focussing controls moved the entire limb giving the stand a massive solidity and smoothness. It is interesting that in contrast to the overwhelming success of the design Zeiss were initially nervous about introducing it in the early 1930s.
This example is signed Carl Zeiss Jena and has serial no 259528. Serial numbers in this range where in use in 1934.
ref. Zeiss catalogue 1934 pp.43-6
Fine overall condition.
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