Diamond Expansion Bolt Co. producing insulator brackets

New Catalog of Expansion Bolts and Specialties.

The Diamond Expansion Bolt Co., New York, has issued an attractive new catalog, illustrating and describing its line of expansion bolts and telephone construction specialties. The make-up of the new book is unusually convenient, the illustrations, descriptions, detailed specifications, prices, etc., of each article being grouped together and well displayed. The Diamond company has perfected its line of expansion bolts until it now has a most complete line. In addition to bolts, this firm also manufactures drill points and holders, insulator brackets, toggle bolts, "Long Saut" cable clamps, bridle rings, conduit rods, ground clamps, guy clamps and various other telephone specialties, all of which are attractively presented in the new catalog. The Diamond Expansion Bolt Co. wants every telephone company to have a copy of the new book.