Site.SumlockComptometer1950s History
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08 December 2011
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1950s Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)
This machine was constructed to allow addition of sterling currency.
1950s Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)
This machine was constructed to allow addition of sterling currency.