Holtzapffel's "Library sketching or pocket-book scale"

Made:: 1849 in London

designer:: Holtzapffel and Company

Holtzapffel's "Library sketching or pocket-book scale", with descriptive leaflet, date 1849

Details

Category:: Mathematics

Object Number:: 1917-82

type:: drawing instruments and scales (rules)

credit:: Thomas H. Court

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Holtzapffel's "Library sketching or pocket-book scale"

Details

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