For your enjoyment is this nice Barber Colman dual sided calculator. One side is a Walking Labor Cost Calculator and the other side is Door Heat-Saving Comparison Calculator. This one shows a Cr. date of 1961. This is in nice condition. Item # CB-306
I will be glad to combine shipping. I now have well over 18,000 items available for your enjoyment. Including over 7000 cookbooks.
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All reasonable offers will be considered.
