Title
Boucher's Calculator -circular slide ruleCatalog Number
102798231Type
Still imageDescription
Mark Richards' photographs of Boucher's Calculator -circular slide rule.Date
2010Photographer
Richards, MarkExtent
3Collection Title
Mark RIchards CollectionCredit
Gift of Mark RichardsLot Number
X5763.2010Related Records
B234.82 | Boucher's Calculator -circular slide rule |