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Title: Trifilar eyepiece micrometer in brass, French, 18th century [Go to resource]
Description: Trifilar eyepiece micrometer in brass, French, 18th century License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: filar micrometer
instrument componentTemporal: 1775-1800 Source: Science Museum Identifier: 1986-377 Go to resource More Like this...
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