Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU180Linear
N4133
4713
n/a
Roylance ElectricalKeuffel & EsserUSA
155631
Engine divided celluloid laminated mahogany
"8"
1925
C5

Notes: Major scale change: CI scale added to front side of slide. Centimeter scale removed. N added to model number (i.e. N<4133>). Conversion table changed to USBS Circular 47 version with notation below table.

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