invention
52 photos and 2 illustrations tagged invention, from 9 members of Flickr Commons.
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Related tags
Tags that often appear on the same photos & illustrations:
- digitalimage
- unitedkingdom
- unusual
- blackandwhitephotograph
- industry
- northeastofengland
- archives
- mark
- astronomy
- space
- telescope
- observatory
- planets
- stars
- discovery
- grubbparsonsltd
- thomasgrubb
- sircharlesparsons
- glasslanternslide
- research
- grain
- 1925
- scifi
- tyneweararchivesmuseums
Members using this tag
- North East Museums
- Nationaal Archief
- The Library of Congress
- Smithsonian Institution
- British Library
- Provincial Archives of Alberta
- U.S. National Archives
- State Library of Queensland
- Powerhouse Museum
Photos & Illustrations
Show photos & illustrations photos (52) illustrations (2)
A selection of photos & illustrations tagged invention:
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Recent uploads
The last upload was July 2020.
Traeger Pedal Wireless, 1929 from State Library of Queensland uploaded July 2020
Steam tractor demonstration, Smoky Lake, Alberta from Provincial Archives of Alberta uploaded May 2018
Icicles from North East Museums uploaded December 2013
A young boy with a Sled in the Snow from North East Museums uploaded December 2013
White Christmas from North East Museums uploaded December 2013
Frozen Pond at Christmas from North East Museums uploaded December 2013
Joseph Swan's Experiment Journal from North East Museums uploaded September 2013
Joseph Swan in his Laboratory from North East Museums uploaded September 2013
A Portrait of Joseph Swan from North East Museums uploaded September 2013
Mawson, Swan & Morgan from North East Museums uploaded September 2013
Ediswan from North East Museums uploaded September 2013
Pretoria 61 FT Turret from North East Museums uploaded July 2013
Toronto 74" Reflector from North East Museums uploaded July 2013
Conversations
Here’s a selection of the conversations happening on these photos & illustrations:
Steam tractor demonstration, Smoky Lake, Alberta
- Mary America said:
- jamica1 said:
British Library digitised image from page 71 of "The Yorkshire Coast Line: from Flamborough to Whitby, etc"
from British Library
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johnwmacdonald said:
Netflix and chill.
Traeger Pedal Wireless, 1929
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Vesna Verencevic said:
In the mid 1920’s Alfred Traeger invented the pedal-powered radio, revolutionising communication in the outback. The invention was integral to the founding of the Royal Flying Doctor Service, allowing the Service to make contact with the people who needed their help and vice versa. In 1928 Traeger developed the pedal-powered radio. A floor mounted generator, driven with bicycle pedals, powering a radio transceiver which could send morse code. The following year, a base station was established at Cloncurry, Queensland and the first pedal wireless was installed at Augustus Downs Station, 150 miles out of town. The first transmission was made on the 19th June, 1929 by Gertrude Rothery, the manager's wife, to Traeger’s assistant Harry Kinzbrunner at Cloncurry. Over the next 8 years Treager continued to manufacture and improve the pedal sets, installing them at homesteads, hospitals, missions and the bases of the Aerial Medical Service, which later became the RFDS. Source; www.flyingdoctor.org.au/qld/news/how-alfred-traeger-gave-...