United States. Bureau of Standards. International metric system. [Chart.] [Washington. 1904.] Size, 2456 X 407% inches. *Cab.39.19.6 Illustrations of the metric scales, with tables of equivalents, etc. Same. Baltimore. [191-?] Colored. No. 2 in *Cab.39.19.6 On linen,
Same. Washington. [1940-7] No. 3 in *Cab.39.19.6
' ’ This card was printed at the Boston
M303 — Metric system,
Public Library, November 2, 1920.