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English Compass-Type Simple Microscope, c. 18...
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Nuremberg Compound Monocular, c. 1780...
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Nuremberg Compound Monocular Microscope, c. 1...
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Rare German Brass Microscope, c. 1830...
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English Solar Microscope by Shuttleworth, c. ...
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Simple Microscope by Jan Paauw, c. 1760...
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Figural Pair "Le Téléphone" and "Le Télégraph...
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Bavarian Wall Telephone Station by Reiner, 18...
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Swiss OB Table Telephone by Bell/Hasler, c. 1...
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L.M. Ericsson Skeleton Telephone No. 370/AC10...
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Siemens & Halske Wall Telephone, 1891 onwards...
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Western Electric Co. Telephone Operators Swit...
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2 Early Telephones...
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Bavarian Wall Telephone Station by Reiner, 18...
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German Siemens & Halske Wall Telephone, 1882...
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Ericsson Desk Telephone, made in Moscow, c. 1...
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German Mix & Genest Telephone, c. 1895...
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Two Early German Wall Telephones...
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8 Special Portable Telephones...
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Swedish Wall-Type Intercom by L.M. Ericsson, ...
