Nuremburg type drum microscopes marked "JFF" in he

Made:
1780-1920 in Germany
Nuremburg type drum microscopes marked JFF' in heart on base, German, late 18th or early 19th century'

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Nuremburg type drum microscopes marked JFF' in heart on base, German, late 18th or early 19th century'
Science Museum Group
© The Board of Trustees of the Science Museum

Nuremburg type drum microscopes marked "JFF" in heart on base, German, late 18th or early 19th century