Small Halden Calculator(Circular Slide Rule)

Small Halden Calculator(Circular Slide Rule)

£160

Small Halden Calculator(Circular Slide Rule)

Dimensions

2.

Circa

1900

Country of manufacture

UK and Ireland

Categories: Scientific, Calculating

Description

Small Halden Calculator(Circular Slide Rule) in the original Case with Instruction Booklet all in good condition.The case measures 2.625″ square

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Dealer information

GB BarryHodson

Barry Hodson

Barry Hodson is based in Longridge, Lancashire. An ex-aircraft engineer and design draughtsman at British Aerospace, his antiques business was established in 1975. He deals in clocks barometers, scales, weights, and scientific instruments. He exhibits at the Antiques for Everyone fairs at the N.E.C. in Birmingham, and at clock and scientific instrument fairs in London and Birmingham.