Signedon top of compass: charrette
on back of compass: W-GERMANY
on top of the box: charrette 404 31-0404 / Charrette Corporation, Woburn, MA 01888
on base of the box: W GERMANY / DBGM / model depose int.
FunctionA compass is used to draw circles and arcs.
ProvenanceLionel Spiro, Brookline, MA; Gift to CHSI, 2014.