| Type | Scientific Instruments |
|---|
Check the listing for details. 7 Vintage Slide Rules Sliding Scale Calculator Jakar , WH Smiths , DTC Engineers. Condition: Used. Listed at 38.09 USD. Sliding Rules, nearly all plastic apart from the second from bottom one that is wood with plastic overlay. This one needs the scale gluing back down again one one side which is very simple. They are all in excellent condition as seen and for a variety of uses.
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