Ingenious Low-Cost Disk Cutter Demonstrated
A 10-cent dividers tool and a scraped razor blade enable precise paper and material disks from fractions of an inch to over 12 inches. The device assembles from common compasses by inserting razor blade scraps, allowing wheels, gaskets, washers, and circular masks for photos or science demos.
MENTIONED IN THIS ARTICLE
Science Service
New Antarctic Map Prepared by Navy Hydrographic Office
Comdr R A J English of the Bear on Byrd’s second expedition led the creation of a new chart and sailing directions at the Hydrographic Office. The 12 color chart compiles data from several nations with about a third of Antarctica’s coast based on recent US expeditions. Rear Admiral G S Bryan calls it the most comprehensive picture of Antarctic regions yet produced.
MENTIONED IN THIS ARTICLE
Washington
Navy
Antarctica
R. A. J. English
Bear
Hydrographic Office
United States
Siberian
G. S. Bryan
Antarctic
Emergency Devices Save Men Adrift on Open Sea
The article describes comprehensive lifesaving gear aboard navy coast guard and maritime vessels. Lifeboats, life rafts, food water medical aids two way radio kits weather aids and distress signals form over 40 items. Signaling devices include smoke signals reflecting mirrors and navigation charts with moon tables.
MENTIONED IN THIS ARTICLE
Navy
Coast Guard
Maritime Commission
Admi
R. R. Waesche
Homemade Dehydrator Keeps Foods for Home Use
An army inspired guide shows how to build a home dehydrator from a wooden box plasterboard and common materials. It details heat sources fan air flow temperature control racks and safe seal joints to dry surplus war vegetables for home kitchens.
New Gadgets and Innovations Reported by Marines
Shiny metal cylinders found by the Marines on Guadalcanal turn out to be water filters of a different design. Supplementary aircraft gasoline tanks are laminated wood in an elongated egg shape with slosh-preventing baffles and a special internal coating. A new roller coating device for wall paints uses a cushioned wood roller. A tandem control shaft consolidates up to a dozen electric circuits. A plastic underwater flashlight handles extreme temperatures and serves as a club. A channel tread tire improves plane landings on sand and soft surfaces. Self polishing floor wax with Carnauba wax and quick drying is introduced. Plastic, foot shaped shoe trees are breathable and keep shoes in shape. For more information, request Gadget Bulletin 159 from Science Service.
MENTIONED IN THIS ARTICLE
Guadalcanal
Day of Flowers and Memorial Day Traditions
Memorial Day observances include planting flowers and laying wreaths on graves to honor the dead. Flowers have long symbolized immortality and hope across cultures, with dates varying regionally and aligning with local seasonal blooms.
Also Mentioned on This Page
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Science Clubs of America
Tropics
Air Services
Dixon
Aldrich
Pastula
Gay
Rickenbacker
Army
Sanford Cluett
Troy, Ao
Carenauba
N St
N. W
Washington, D. C
Gadget Bulletin
Five & Watt