Coloriasto: 1947

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27.5.10

Popular Science, maaliskuu 1947 Standardizing the whiteness of false teeth is only one of the odd jobs of General Electric's spectrophot...

Popular Mechanics, joulukuu 1947 When dyeing a knitted garment, dip several yards of yarn in the dye at the same time so that you will have ...

Popular Mechanics, tammikuu 1947 Color television is now possible with all-electronic equipment that does not make black-and-white receivers...

Popular Mechanics, huhtikuu 1947 Dyes for plastics can be obtained in all colors and are a useful aid to the craftsman seeking decorative ef...