Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
SCHRADER Germany; Russia, 1762-1869 ?, OIM Reflecting Telescope, 1794 = X. went to Lilienthal in 1792 to work for Schrötter; the telescope was 26 feet long. Kiel; Lilienthal (1792); St. Petersburg (post-1794). Daumas 1.

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