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4 results for: micrometer

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Registration of electric waves generated by a spark inductor, Groote Ruhmkorff, without capacitor,
LZT26A81_137

Registration of electric waves generated by a spar...

Five enlargements of blood and a micrometer, page, photomechanical print, number: 'Pl. IX.',
LZT26A99_195

Five enlargements of blood and a micrometer, page,...

Eleven enlargements of blood cells and a micrometer enlargement, page, photomechanical print,
LZT26A99_189

Eleven enlargements of blood cells and a micromete...

Man with Micrometer Measuring a Shaft to a Thousandth of an Inch; Lewis W. Hine, American, 1874 - 1940, United States
LZT19B02_128

Man with Micrometer Measuring a Shaft to a Thousan...