![](http://www.alamy.com/thumbs/6/E791DD8D-2A89-44AA-A9AB-FFA0447FE842/2K1PXN1.jpg)
Fine Swiss Protractors (Drafting instrument used to draw or measure angles) Catalogue of mathematical instruments, drawing paper, Surveying instruments, Levels, paints and Drawing Material by McAllister, F. W., Baltimore. [from old catalog] Publication Date 1890
Size: 1900px × 3411px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No
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