The Pocket Scientist Wallet Card
cards | edc | gifts | science | stainless steel | stocking stuffers | tools
This laser-engraved stainless steel card is packed with reference information for scientists. Its front side has the periodic table of the elements, along with rulers and a protractor, while its back offers up quick access to important constants, formulas, and conversions. There are also versions for chemistry, engineering, and physics.
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