written on back of image: "It's helpful to be able to get to the motor" typed on back: "The 1947 Bear Trap... Accessibility being what it is on today's car, you need a derrick and two strong friends to change a spark plug." photograph of drawing
Table of Contents: Corfam: first focus is footwear; Twenty-five years of nylon; Bypassing a bottleneck; A clean conduit for chemicals; Designed for the art of business; The blimb bobs back; Sudden stops without skidding; Pet chem pictures America;...
Periodicals; Chemical industry; Explosives; Dynamite;
Table of Contents: Avoid Thawing Accidents; The Trouble Duo; Improved Red Cross Dynamite; A Winner: Red Cross Extra 20%; Snow Doesn't Fease the Red Cross Blaster; Word "Danger" on Every Cartridge; A Remarkable Shot with DuPont Straight Dynamite and...
Table of Contents: Stump-blasting contests; Marble shooting in Missouri; Back in the early sixties; Quarrying Texas trap rock; Shades come smilin' thru; Pocket knives and Pyralin; Pyralin in the sanitary field; That Montana mountain slide; Duco in...
Written on back of image: "Photographed June 15, 1951. Built April-June 1951. Showing parts of the mechanical drive built for the crimper and feed aprons. Notice the two narrow feed belts. Notice horizontal [illegible], trap doors. Wet processing...
Written on back of image: "Large experimental filament crimper saddles. Built 1-2, 1952. Photographed March 17, 1952. 1. Saddle nearest rule: This is the first one piece bottom saddle I designed. It is stainless, has edge plates to keep the...
Typed caption: "From Public Information Division, U.S. Coast Guard. Escape from Greenland's Icy Trap. (No. 3 in a series of 3) Thar she blows! Mines placed on the threatening iceberg by men of the trapped Coast Guard cutter STORIS go off, throwing...
Typed caption: "Rescue from Greenland's Icy Trap (No. 2 in a series of 3). On Ice. In a small boat from the imprisoned Coast Guard cutter STORIS, men land on Greenland's sentinel iceberg to place mines and blast a clear channel to the open sea....
