Mechanism No. 13 | |||||||||||
Early A and B coin recognition mechanism. Note that the buttons are actually labelled A and B and early casings had no A and B markings on them. The GPO soon realised that people were not seeing the letters on the buttons and quite early on they marked the casings with A and B in white paint. This mechanism was superseded by the Mechanism No. 14 which had a small row of connectors to the lower right of the mechanism, instead of the large brass studs on the left. The pictures below were all dated 1926.
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Last revised: July 19, 2020FM |