We hate 2020!

Just when we thought 2020 couldn't get any worse! We were about to re-open after many months of being closed but then disaster struck when a mains water pipe burst and flooded much of the ground floor of the museum.
Sadly re-opening has now been postponed. Read More >>>

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Original-Odhner 227 Instruction Book

This small Original-Odhner  227 illustrated 20 page Instruction Book was kindly donated by Graham Denton with trhe original machine. A lovely exhibit
This is the model 227 pinwheel calculator

Reference Number :

Date Published : 1955

Manufacturer : Odhner

Platform : Odhner






This exhibit has a reference ID of CH6599. Please quote this reference ID in any communication with the Centre for Computing History.

Original-Odhner  227 Instruction Book

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