Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU278Linear
68-1200
4259
n/a
Log Log Duplex DecitrigKeuffel & EsserUSA
330087
Engine divided celluloid laminated mahogany
"20"
1972
C5

Notes: "Model number changed to new designation (i.e. 68 for slide rule, 1200 for unique model number). "

Click on the Condition Code to obtain more details.