cover image: Journal of Scientific and Industrial Research. June 1947

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Journal of Scientific and Industrial Research. June 1947

1947

The main function of a museum in the general life of the community is to demontrate by means of exhibits illustrations and working models the progress of and advances in the fields of science and technology. [...] Seventieth Anniversary of the Invention of the Telephone in the United States Alexander Graham Bell ON the centennial of the birth of Alexander Graham Bell inventor of the telephone the telephone industry in the United States is facing the heaviest demand for telphone service in its history. [...] The first requirement was an air compressor with a sufficiently high standard of efficiency and the second was the provision of metal alloys capable of resisting the exceedingly high temperatures to which the turbine blades would be subjected for a continuous period.' The outbreak of the war caused the divesion of work from the marine gas turbine and concentration on the aircraft jet engine ; [...] There are many lines of evdence which indicate that the centre of our own system is not concentric around the sun and its little planetary system but is far off in the direction of the region where the costellations of Sagittarius Ophiuchus and Scorpio come together thirty degrees or a little more south of the Equator in the thick of the bright star clouds and dark dust clouds along the [...] The average of the magnitudes is 17.5 which is a brighness that is practically at the limit of visibility of the human eye when assisted with the greatest telescopes of the world.
technology medicine science
Published in
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Segment Pages Author Actions
Science Museums for India
215-216 unknown view
Seventieth Anniversary of the Invention of the Telephone in the United States
217-219 unknown view
New Developments Revolutionize Glass Industry
219-220 unknown view
The Gas Turbine for Marine Propulsion
221-224 Peter Duff view
The Great Galaxy in Sculptor
225-229 Harlow Shapley view
High Pressure Gasification of Coal in Germany*
230-231 unknown view
Reviews
232-235 unknown view
Notes and News
236-250 unknown view
Reports from States & Provinces
251-252 unknown view
Indian Patents
253-254 unknown view

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