New Gadgets And Innovations From The Gadget Bulletin 381
A bulletin lists new devices including non sparking electric cable with copper leakage catch to breaker, collapsible 400 pound trailer, a baby bib in rigid plastic with spill trough, crayon holder resetting one at a time, eight inch crayon case, higher capacity tiny A batteries, vacuum sealed cigar can, durable plastic electrical plug, a novel luggage carrier for ladders, and instructions to request Gadget Bulletin 381 via Science Service in Washington D C.
Black Walnut: An Aristocrat Of Nuts And Woods
Black walnut described as a premier native nut and wood. It notes the meat's flavor and the wood's quality for furniture and paneling. The piece contrasts past uses for fence rails and fuel with its current honored status in homes.
MENTIONED IN THIS ARTICLE
Brazil
Persia
Refrigeration in Reverse Heats Homes From Earth and Water
Science Service explains heat pumps that draw outside heat from earth wells or underground air to warm homes with electricity. Various systems, including Airtopia and Terra Temp, use liquid gas cycles to transfer heat for heating and cooling with no in home fuel use.
MENTIONED IN THIS ARTICLE
United States
Drayer- Hansen, Inc
Los Angeles
Airtopia
Muncie Gear Works, Inc
Muncie
Ind
Terra Temp
Terra- Temp Company
Indianapolis
Yellowstone Park Moose Troubles Highlight Park Wildlife
An elderly moose in Yellowstone National Park hobbling with a swollen ankle signals age related plight. A dead bull moose found near Trail Creek was entangled in steel telephone wire, its antlers and skull exhibited at Old Faithful.
MENTIONED IN THIS ARTICLE
Yellowstone National Park
Trail Creek
Lake Yellowstone
Old Faithful
Yellowstone
Fans should blow air out to cool a house at night
Science service reports that blowing air out with a non oscillating fan cools more effectively than blowing air in. Tests show a 14 degree drop when the fan is three feet from a window versus eight degrees when blowing into the room.
MENTIONED IN THIS ARTICLE
San Diego
Calif
Pribilof Islands
Alaska
Walter B. Massenburg
Westinghouse
Aluminum Statue at Piccadilly May Shape Future Sculpture
An aluminum statue of Eros over the Shaftesbury Memorial Fountain in Piccadilly proved durable after decades in London weather. Its survival may inspire artists to adopt aluminum and other new materials in statuary, says observer G. H. Friese-Greene.
MENTIONED IN THIS ARTICLE
London
Shaftsbury Memorial
Piccadilly
Alfred Gilbert
Britain
G. H. Friese-Greene
Bath
Abacus Technique Shown With Moving Coins On Lines
A 1947 Science Service piece explains an abacus using lines on paper and movable counters. It describes unit tens and higher columns with beads, showing purchases like 7.48 and 3.91, plus subtraction methods and mental arithmetic tricks.
MENTIONED IN THIS ARTICLE
Coryright
Science Service
Man Made Textile Fibers Finding Extensive Uses
A survey notes synthetic fibers like rayon nylon and others expand apparel use while preserving natural fibers. Rayon rose from 1911 with 875 million pounds produced in 1946, and overall synthetic fiber consumption, excluding rayon, grew from 4.5 million pounds in 1940 to 53 million in 1946 in the United States.
MENTIONED IN THIS ARTICLE
United States
U. S. Department of Agriculture
Government Department
Amateur Astronomer Reports Sun Surface Changes
Baltimore amateur James C. Bartlett Jr. reports that sun granulation varies in size and relates to sunspot activity. He notes graininess can precede or follow sunspot peaks, with observations since 1939 and corroboration by the American Association of Variable Star Observers since 1944.
MENTIONED IN THIS ARTICLE
Baltimore
James C. Bartlett, Jr
Old Sol
Bartlett
Mr. Bartlett
American Association of Variable
Franks process builds stone tamped foundations in sand
German method uses a steel tube driven into soil with a tamper to create a pile of friction material. Broken stone is fed down as the tube withdraws, compacting sand and producing stabilizing foundations without bonding. Report by Office of Technical Services notes British researchers behind the investigation.
MENTIONED IN THIS ARTICLE
Germany
Office of Technical Services
U. S. Department of Commerce
Also Mentioned on This Page
N St
N. W
Washington, D. C
By Science Service
Yellowstone Park
U. S
Joseph H. Kraus
Science Clubs of America
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