New Gadgets and Inventions Highlighted in Gadget Bulletin 373
A roundup of new devices includes a tubular fluorescent typewriter lamp, factory dollies with steel rollers, quick-drying bookbinding adhesive, a handy household pest sprayer, an ear lamp using infrared heat, a moisture controlling vegetable display case, light aluminum beds, and a France‑reported diving suit with air flasks. Readers may request Gadget Bulletin 373 by sending a three‑cent stamp to Science Service in Washington, D. C.
MENTIONED IN THIS ARTICLE
France
Science Service
N St
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Washington, D. C
Pink Elephants on Western Slopes A Botanical Note
The piece explains pink flowers resemble elephants and belong to Pedicularis or lousewort. It notes a former name Elephantella, now reclassified. New Chinese species show variation from full trunk to none.
MENTIONED IN THIS ARTICLE
China
Natural vegetable dyes and mordants guide color production
The article traces ancient and modern dye sources from onions to dahlia and privet leaves, explains mordants like alum and chrome, and outlines home tests for fastness. It notes wool as best for dyeing and offers a vegetable dye kit via Science Service with instructions and a 50 cent request.
MENTIONED IN THIS ARTICLE
Science Service
St. N. W
Washington, D. C
Proportionate Photographs for Young Scientists
Junior scientists explore making dramatic out of proportion images using near focus, cheap lenses, and imaginative miniature settings. They compare familiar objects to tiny toys or fossils, crop enlargements, and stage scenes to imply scale, then study magnified negatives for mysterious effects.
Bones and shells for the amateur scientist collection
A guide to collecting bones shells antlers and reptile relics with notes on skull value fossil finds deer antlers turtle shells and snake skins. It explains keeping items indoors or outdoors and using skull comparisons to study life habits.
MENTIONED IN THIS ARTICLE
Rocky Mountain
Trumpeter Swan Census to Be Taken
Trumpeter swans the largest waterfowl will be counted in about a month as Birdlovers hope for a rise to 50 or 60 of America’s rarest water birds. Since near-extinction at the turn of the century federal aid and habitat protection have aided growth.
MENTIONED IN THIS ARTICLE
America
Red Rock Lakes
Montana
Yellowstone Park
Red Rock Lakes National Wildlife Refuge
Fish and Wildlife Service
U. S. Department of the Interior
United States
Canada
Science Service
Also Mentioned on This Page
By Science Service
Asia
Joseph H. Kraus
Science Clubs of America
Niagara
Angel Falls
TOY
North America
Red Rock Lakes Refuge
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