Artifact Details Title Trigonometer - brass survey instrument Catalog Number 102630331 Type Physical object Description Trigonometer consists of two arms, one movable attached to curved piece, and a bubble level. There is a knob on the bottom. "SWNE" scratched into one arm of instrument. Date undated Manufacturer see curator notes and Staff comments Identifying Numbers Other number 325082 Handwritton on sticker on arm Dimensions 7 1/2 x 6 3/4 c 12 in. Category Pre-computer/other Collection Title Gwen Bell artifact and book collection Series Title Pre-computing artifacts Lot Number B250.82
