Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Circular and Spiral Slide Rules
Alteneder and Sons / SEXTON's OMNIMETRE # 3 - Type II
Theodore Alteneder and Sons
Ø 18.7 cm
General calculations

Notes: Patented design by Albert Sexton with a long-scale length of 48 cm. The # 3 is the commonest model. The motto Numeri Mundum Regunt (numbers rule the world) was coined by an early customer. It appealed so much to Sexton he had added as a slogan to all Omnimetres.

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