Various drafting instruments.
"Geometriae practicae novae et auctae tractatus I[-IV] ..." by
Schwenter, Daniel, 1585-1636. Vol. I, page 105. Published posthumously in 1641.
Image ID: libr0076, Treasures of the NOAA Library Collection Photographer: Archival Photograph by Mr. Sean Linehan, NOS, NGS
