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Schubert Rechenmaschinen

Schubert Rechenmaschinen Schubert & Co. KG. 1956 24 page booklet 211mm × 148mm This booklet is the German manual for the Schubert CW, CRV, DW, and DRV calculators. It has no copyright date, but these pinwheel calculator models were in production from 1956 until about 1970.

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