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Volvelle

Volvelle

Punctuator+01.jpg 1.573×1.600 pixel

Punctuator+01.jpg 1.573×1.600 pixel

Super Homemakers’ Guide Super Publications Ltd, Toronto, Canada Ø This single-sided volvelle has helpful hints for all kinds of home problems from dirty diamonds (I hate it when that.

// radiation dosage calculator.  Dad used to have one of these hanging out in his office at the reactor.

// radiation dosage calculator. Dad used to have one of these hanging out in his office at the reactor.

http://addiator.blogspot.com/search/label/volvelle

http://addiator.blogspot.com/search/label/volvelle

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sliderules_42.jpg (580×575)

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