Starrett (Massachusetts, USA) inside measuring micrometer with extension bars of different lengths. This photograph is from a large selection of mainly unattributed engineering illustrations and photos which were originally published in 1936. The sizes and quality of the originals vary quite widely.
Size: 7000px × 4881px
Location: Massachusetts, USA
Photo credit: © Preserving Printed Matter Matters / Alamy / Afripics
License: Licensed
Model Released: No
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