Observation by Bill Barton: BAA Instrument 169

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Test User

Observer

Bill Barton

Observed

2020 Jan 06 - 08:46

Uploaded

2020 Jan 06 - 08:46

Objects

Historical

Equipment

Micrometer

Target name

Filar Micrometer

Title

BAA Instrument 169

About this image

Originally used by Frank McClean over one hundred years ago.

Files associated with this observation

C16C0EAF-FA6E-4ABE-9DD0-8ED979FD73DA.jpeg (1.2 MB)

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