Brearley, Harry Chase, 1870-1940, Ingersoll, Robt. H., & Bro · New York : Pub. by Doubleday, Page & Co. for Robert H. Ingersol & Bros. · leaf 318
Telling Time by Darkness Many a soldier waited in the darkness for the perilous moment to go over the top, with his eyes fixed upon the luminous hands and jj,gur£s_ofJkis Ingersoll Radiol it e. … Putting Fifty Million Watches Into Service tern of more than one hundred thousand independentretailers, all operating upon a common plan and undercommon prices; a product that has come into the mostwide-spread use not only throughout the United States butin the farthest regions of the inhabited…
Time measurements · Clocks and watches
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