The National Geographic Magazine, Volumes 76-77National Geographic Society, 1940 - Geography Indexes kept up to date with supplements. |
From inside the book
Results 1-3 of 98
Page 146
RUBBER MAKES COBWEBS FOR A MINE IN THE MOVIES The synthetic strands are rubber cement blown from a spray gun . Goodrich engineers calculate that a pint of the cement yields a slender thread that would stretch from Los Angeles farther ...
RUBBER MAKES COBWEBS FOR A MINE IN THE MOVIES The synthetic strands are rubber cement blown from a spray gun . Goodrich engineers calculate that a pint of the cement yields a slender thread that would stretch from Los Angeles farther ...
Page 149
PRICELESS ROSETTA STONES OF THE RUBBER INDUSTRY The closed book is Charles Goodyear's Gum - Elastic , printed in 1855 on rubber pages , with a cover of hard rubber on which is carved a scene of natives tapping trees in the Brazilian ...
PRICELESS ROSETTA STONES OF THE RUBBER INDUSTRY The closed book is Charles Goodyear's Gum - Elastic , printed in 1855 on rubber pages , with a cover of hard rubber on which is carved a scene of natives tapping trees in the Brazilian ...
Page 150
Having solved the problem of keeping rubber free from " pinholes , " thus making it watertight and airtight , chemists soon were hunting ways of putting more holes in rubber . They worked on that one for eight years or more ; now ...
Having solved the problem of keeping rubber free from " pinholes , " thus making it watertight and airtight , chemists soon were hunting ways of putting more holes in rubber . They worked on that one for eight years or more ; now ...
Contents
Italys Monuments Tell Romes Magnificence 8 illustrations from photographs 7 illus | 371 |
Map Links Classic World with 1940 Text accompanying special map supplement in colors 338 | 395 |
Nations Capital by Night 16 illustrations from photographs by VOLKMAR WENTZEL | 514 |
Copyright | |
2 other sections not shown
Other editions - View all
Common terms and phrases
American ancient animals Anthony Stewart Atlantic Barrier Reef beak birds blue Blue Whale boat British building built called canals Cape Caracas centuries Chinese cliff coast color Dolphin dorsal fin eagle farm feet fish gardens Geographic Society Kodachrome geyser girls golden harbor Harrison Howell Walker head hill horses Indian Island Kodachrome by Harrison Lake land Lipovans live looked Luis Marden Maynard Owen Williams miles mountain NATIONAL GEOGRAPHIC MAGAZINE National Geographic Society nest Netherlands night Nile North Nova Scotia Ocean Park Photograph Plate port Reef River road rock rubber sail San Agustín sand sheep ships shore side stands stone streets Tamiami Trail tire Tønder town trail trees Valley village Vimoutiers visitors Volkmar Wentzel walked walls watched Whale wild women wooden Yellowstone young Zuider Zee