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Zeichenapparat nach Abbe

Date: 1890 | Identifier: LL02.48.06.10
The camera lucida for drawing was used for many years, but most designs were tricky to use in lighted surroundings. Abbe developed a prism apparatus with a mirror on a long arm and neutral density filters for this easy-to-use design. Similar devices are still manufactured. The serial number is 1487. more...
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