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Scientific and technical divisions
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Aeronautics airplane alloys aluminum American ammonia analysis apparatus Army Bureau of Standards calibration carbon cement cent chemical circular color color grading colorimetry commercial committee completed concrete concrete ships connection considerable construction cooperation determine division dry cells effect electrical electrolysis engineering equipment experimental fabrics fire fire tests furnace gauges Government heat important improvement industry inspection installed instruments investigation laboratory lamps large number light machine magnetic manufacturers materials ment metals methods of testing military Miscellaneous molasses Navy Department obtained oils operation optical glass physical plates polariscopes practice prepared problems production properties purpose pyrometers pyrometry quartz radiation radio radiometry radium railroad request saccharimeter samples scientific Signal Corps specifications specimens steel strength submitted sucrose sugar technical Technologic Paper temperature thermal thermocouples thermometers tion track scales transmission tubes types various War Department wave lengths weights and measures