United States. Weather Bureau. Instrument Division

• General instructions for installation, care, and repair of ceiling-light projectors
• General specifications for installing ceiling-light projectors
• Instructions for installing contacting wind vane bearing
• Instructions for the care and use of Weather Bureau aneroid barometers
• Instructions regarding observer's signal clock
• Preliminary instructions for measuring ceiling heights with projector and U.S. Weather Bureau type olinometer
• Specifications for aneroid barometers, standard grade
• Specifications for thermometers, meteorological, maximum
• Specifications for thermometers, meteorological, maximum
• Specifications for thermometers, meteorological, maximum
• Specifications for thermometers, meteorological, minimum
• Specifications for thermometers, meterological, minimum