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Gathering meteorological data from stratosphere. Dr. L.F. Curtiss, of the U.S. Bureau of Standards, is shown here with part of the equipment he uses in experiments using radio to gather meteorological data at great altitudes. The complete radio apparatus for attachment to a balloon weighs less than two pounds, and preliminary trials show that the signals can be heard clearly at altitudes of 14 miles and at distances of 80 miles. A direction finder ...bles experimenters to determine the location ... he balloon the instant the radio wave is ... out. 101735

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Gathering meteorological data from stratosphere. Dr. L.F. Curtiss, of the U.S. Bureau of Standards, is shown here with part of the equipment he uses in experiments using radio to gather meteorological data at great altitudes. The complete radio apparatus for attachment to a balloon weighs less than two pounds, and preliminary trials show that the signals can be heard clearly at altitudes of 14 miles and at distances of 80 miles. A direction finder ...bles experimenters to determine the location ... he balloon the instant the radio wave is ... out. 101735

U.S. experts test weather device. Washington, D.C., Sept. 13. Scientists of the National Bureau of Standards today conducted a test of the new radiometeorograph, a device attached to parachute and balloon and sent into the skies to radio back signals giving the pressure, temperature and humidity of the upper air. Preparing the balloon for the ascension are Dr. L.V. Astin, (left) of the Bureau's Electrical Division, and Dr. L.F. Curtiss, head of the Radium Division. The balloon carries the instrument as high as 50,000 or 60,000 feet. 9 to 11 miles high. Today's test was conducted for the U.S. Weather Bureau. 9/13/37

New radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph. The new instrument (shown in the picture) is sent up on a 5-Foot balloon and is expected to replace the use of airplanes in upper-air meteorological surroundings. E.G. Lapham, Associate Physicist of the bureau, is shown assembling the new meteorograph in preperation for an ascent. The device transmits audio notes which are a function of temperature and humidity. These notes are interrupted at approximately each 10-millibar increment in pressure, thus identifying each temperature and humidity indication with its respective increment of altitude, 6937

U.S. experts test weather device. Washington, D.C., Sept. 13. Scientists of the National Bureau of Standards today conducted a test of the new radiometeorograph, a device attached to parachute and balloon and sent into the skies to radio back signals giving the pressure, temperature and humidity of the upper air. Preparing the balloon for the ascension are Dr. L.V. Astin, (left) of the Bureau's Electrical Division, and Dr. L.F. Curtiss, head of the Radium Division. The balloon carries the instrument as high as 50,000 or 60,000 feet. 9 to 11 miles high. Today's test was conducted for the U.S. Weather Bureau. 91337

Veteran Polish weather expert joins staff of Smithsonian Institution. Washington, D.C. March 14. With home, laboratory, and invaluable records of years presumably lost in the recent Polish War, Dr. Henryk Arctowski, of the University of Lvov, one of Poland's foremost scientists and former Antarctic explorer, has started at the Smithsonian Institution the monumental job of determining direct effects of changes in the Sun's radiation on weather conditions on Earth. Recognized in all countries as one of the greatest living authorities on world weather, Dr. Arctowski is continuing his studies in efforts to find relationships between solar conditions and rainfall, barometric pressure, etc., at various places on Earth. His earliest meteorlogical observation began as a young geologist on the Antarctic exploring ship Belgica in 1897-99. For release morning papers of March 18 - 40

New radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph. The new instrument (shown in the picture) is sent up on a 5-Foot balloon and is expected to replace the use of airplanes in upper-air meteorological surroundings. E.G. Lapham, Associate Physicist of the bureau, is shown assembling the new meteorograph in preperation for an ascent. The device transmits audio notes which are a function of temperature and humidity. These notes are interrupted at approximately each 10-millibar increment in pressure, thus identifying each temperature and humidity indication with its respective increment of altitude, 6/9/37

Weather signals recorded. add weather device. Washington, D.C., Sept. 13. By means of this chronograph, Dr. L.V. Astin records the weather signals sent down from the radiometeorograph attached to the balloon as it soars anywhere from 9 to 11 miles in the upper air. 9/13/37

Measuring relative humidity by radio. Washington, D.C. June 9. The hair element for measuring relative humidity in radio weather sounding balloons has proved innacurate because of very slow response at the cold temperatures encountered in the upper atmosphere. F.W. Dunmore, Radio Engineer of National Bureau of Standards, has just developed a new device for the U.S.Navy which will overcome this effect and at the same time will not be affected in response by temperature. He is shown in the photograph observing a graph on the recorder being produced by radio signals from an ascending balloon carrying the new device. This is the first record obtained with this new developement and shows a repidity of response much greater than the hair hygrometers Hitherto used. 6/9/37

Receiving stratosphere weather data. B.W. Brown, of the U.S. Bureau of Standards staff, is shown here at the radio receiving set which captures signals from a new type of transmitter used in gathering meteorological data from an altitude of 14 miles

Gathering meteorological data from stratosphere. Dr. L.F. Curtiss, of the U.S. Bureau of Standards, is shown here with part of the equipment he uses in experiments using radio to gather meteorological data at great altitudes. The complete radio apparatus for attachment to a balloon weighs less than two pounds, and preliminary trials show that the signals can be heard clearly at altitudes of 14 miles and at distances of 80 miles. A direction finder [...]bles experimenters to determine the location [...] he balloon the instant the radio wave is [...] out. 10/17/35

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glass negatives data stratosphere curtiss bureau standards part equipment experiments radio altitudes apparatus radio apparatus attachment balloon pounds two pounds trials show trials show signals miles distances direction finder direction finder bles experimenters bles experimenters instant wave radio wave doctor physician united states history library of congress
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01/01/1935
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Harris & Ewing, photographer
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Library of Congress
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label_outline Explore Stratosphere, Finder, Attachment

Sighting distances in the map reading class at the U.S. Army chaplain school. Fort Benjamin Harrison, Indiana

Studying why fruits taste that way. E.K. Nelson of the Department of Agriculture is shown making tests with an apparatus which the Department imported from Germany for the purpose of studying the essential oils or "flavor-giving" content of fruits and vegetables. At present chemists are acquainted with the essential oils of only a few fruits, such as some of the citrus group. The apparatus is a vacuum distill which permits the distillation of liquids at temperatures much lower than usual by reducing the pressure, 1/10/31

Chinese apparatus for hulling and coarse grinding rice / J.B. Meffert del. ; Ackerman Lith. 379 Broadway, N.Y.

A black and white photo of a man picking apples. Office of War Information Photograph

Production. B-24E (Liberator) bombers at Willow Run. Another B-24E (Liberator) bomber nears completion on one of the assembly lines at Ford's big Willow Run plant. A paint job comes next. The Liberator is capable of operation at high altitudes and over great ranges on precision bombing missions. It has proved itself an excellent performer in the Pacific, in Northern Africa, Europe and the Aleutians. Ford's Willow Run Plant, Michigan

Sheffield, Alabama. Reynolds Metal Company. Mr. Giles, research director, with apparatus for determining the amount of pure aluminum in various oxides produced during the process of producing aluminum pigs

[Display of antique electrical apparatus, Dickinson College]

Fort Rodman Military Reservation, Fire Apparatus Building, South Rodney French Boulevard, 550 feet west of main entrance, New Bedford, Bristol County, MA

Man straining to carry heavy bundle of clothing. They carry these for long distances, often. East Side, N.Y. Location: New York, New York (State)

Experts at Bureau of Standards study effect of corrosive soils on specimens of pipe. Washington, D.C., Aug. 8. Of interest to home builders the country over is the study being made by experts at the National Bureau of Standards of the effect of corrosive soils on pipes and protective materials. Samples of pipe which have been buried for four years in fifteen soils differing widely in their characteristics, are being tested. Included are several varieties of ferrous materials as well as copper, brass, and bronze. Soldered and brazed joints, protective materials, and pipe made of a composition of cement and asbestos are also represented. Walter Johnson, of the Bureau, is pictured removing graphitic corrosion from cast iron with an air-driven tool. The corrosion products are too hard to be removed with a brush or by chemical treatment, 8/8/38

Production. B-17 heavy bomber. Parts for a new B-17F (Flying Fortress) bomber are cut on a routing machine in the Boeing plant in Seattle. The Flying Fortress, a four-engine heavy bomber capable of flying high altitudes, has performed with great credit in the South Pacific, over Germany and elsewhere. It is a four-engine heavy bomber capable of flying at high altitudes

Detroit, Michigan. New method of making x-ray photographs size 4x5 inches instead of larger. Used at the Herman Kiefer Hospital for Communicable Diseases to show various stages of tuberculosis. The x-ray plate is contained in the apparatus in front of the girl. The apparatus in the foreground contains an x-ray tube

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glass negatives data stratosphere curtiss bureau standards part equipment experiments radio altitudes apparatus radio apparatus attachment balloon pounds two pounds trials show trials show signals miles distances direction finder direction finder bles experimenters bles experimenters instant wave radio wave doctor physician united states history library of congress