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Image Not Available for Stephens' Patent Combination Rule
Stephens' Patent Combination Rule
Image Not Available for Stephens' Patent Combination Rule

Stephens' Patent Combination Rule

Date1858
DescriptionAdvertisement for Stephens & Co.'s combination rule, with two diagrams of the item and several paragraphs describing its properties and uses.
Object number2015.77.16
NotesDimensions (height x width): 11 6/8 x 9"
Subject Terms
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