New Gadgets List Highlights Hoisting Aids And Home Devices
New items include a speed controlled hoist for heavy cantilever branes, a lightweight 10 pound bumper jack, foldable truck stairs, fabric feel paper draperies for homes, a portable aluminum baby high chair, a wall washing machine for homes, a transparent plastic mailbox, a room deodorizer resembling a radio, ozone based air freshener, and pillows filled with glass fiber for allergy sufferers. Readers can request Gadget Bulletin 342 from Science Service in Washington DC by sending a three cent stamp.
MENTIONED IN THIS ARTICLE
Science Service
N St
Washington, D. C
Bearings Speed Up Every Machine From Lawn Mowers To Planes
Friction is reduced by ball and roller bearings in machines from lawn mowers to locomotives. Bearings appear in aircraft engines and 25 to 30 anti friction units in automobiles. The article explains construction with rings and races, loads, and mass production during wartime.
MENTIONED IN THIS ARTICLE
United States
Comet Jones Expected To Visit Northern Skies
Comet Jones discovered last August in Puppis will be visible in January from the Northern Hemisphere. Dr. Leland E. Cunningham of the University of California estimates it will be a ninth magnitude object in Ophiuchus at dawn, using binoculars or a small telescope. The comet, moving toward the north after a sun-centered passage on Oct 27, is one of eight comets found this year, with A Jones of Timaru, New Zealand, credited with its sighting.
MENTIONED IN THIS ARTICLE
Jones
Puppis
Leland E. Cunningham
University of California
Ophiucus
A. Jones
Timaru
New Zealand
Science Service
Junior Scientists Build Edisons Telespecan Model
Instructions for a juvenile demonstration of an early telephone transmitter and receiver inspired by Edison and Bell. The article outlines materials, diaphragm, graphite coating, magnets, wiring, and adjustments to model how voice vibrations are converted to and from electrical signals.
MENTIONED IN THIS ARTICLE
Thomas A. Edison
Alexander Graham Bell
Edison
Science Service
Havoc of War and a Beetle Outbreak in Britain
Agricultural authorities in Britain battled a severe outbreak of American potato beetles, a pest unknown in the islands before the recent war. The story notes the pest arrived around World War I on the Continent and has now spread to Britain, prompting concern for the new crop season.
MENTIONED IN THIS ARTICLE
Britain
Elusive Ghost Crab Spotted In Sunlight by Its Shadow
Ghost crabs blend with sand but reveal themselves in bright light by a black shadow. Researchers Milne from the University of Pennsylvania and Beaver College describe behavior to escape, bury, or threaten with nippers when cornered.
MENTIONED IN THIS ARTICLE
Science Service
Lorus J. Milne
University of Pennsylvania
Margery J. Milne
Beaver College
American Naturalism
Pine Cone Mass on Plymouth Tree Baffles Experts
A mass of 208 pine cones on a Plymouth Massachusetts pitch pine discloses six branches fully clothed with small cones for over six inches. The find, photographed by Edwin F. Steffek for the Massachusetts Horticultural Society, stirs curiosity about unusual plant fruiting patterns.
MENTIONED IN THIS ARTICLE
Plymouth Mass
Edwin F. Steffek
Massachusetts Horticultural Society
Bits of Crime Evidence Often Must Be Destroyed
The text discusses how preserving evidence is essential yet some items degrade during testing. It notes that toolmarks bullets and paint bits on blood stains can be consumed in examination and handwriting samples require side by side comparison to estimate timing.
MENTIONED IN THIS ARTICLE
Federal Bureau of Investigation
Also Mentioned on This Page
Ie Ge
Ani Th. P. E
Martha G
Morrow Science Service
Comet Jones
By Joseph H. Kraus
Science Clubs of America
By Science Service
Profs. Milne
Townsend's Inlet
Cape May
New Jersey
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