008340 Accession Number: 008340

Description

A PROJECTOR FITTED WITH A CLOCKWORK- DRIVEN ARC LAMP AND A HIGHLY ACCURATE OPTICAL SYSTEM PROJECTS 50- DIAMETER SILHOUETTES OF GAUGES AND PRECISION TOOLS. AN ENLARGED DRAWING OR TEMPLATE IS USED AGAINST THE PROJECTED SILHOUETTE TO DETECT ANY MICROSCOPIC ERRORS.

Details

Accession Number
008340
Photographer
Unknown Australian Official Photographer
Classification
Photograph
Object Type
Negative
Physical Description
Colour: Black & white
Date Made
c June 1941
Place Made
Melbourne
Whole/Part
Whole
Item Count
1
Copyright
Copyright expired - public domain

Conflicts

Tags

Accession 008340

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