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The microscope set up for polarization with calibrated analyzer and polarizing condenser. |
This cover-glass thickness gauge is an unusual accessory to find cased with the microscope. |
From the 1872 price list published in Das Mikroskop und die mikroskopische Technik by Heinrich Frey:
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This microscope is a transitional model between the Leitz Stand No. I made in 1870 which still incorporated the limb found on the earlier microscopes of Kellner, Belthle, and Rexroth and the more conventional Continental models of later years. |
