Boston and Lockport Block Co., established 1840, marine-structural-hardware, 100 Condor Street, East Boston, Mass.; Campbell Bosson, president, Horace P. Abbott, vice pres., Norman E. Pearl, treasurer, Sidney M. Stewart, secretary; home office, Boston, Mass., branches, New York, N.Y., Chicago, Ill.; Letterhead contains image of a globe showing the North and South American continents, text 'tackle blocks for the world' superimposed on globe which is framed by a block and tackle triangle connecting two stars in the upper corners and an anchor at the base; two pulleys are at each side of triangle
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Boston and Lockport Block Co., Hardware, Boston (Mass.), Massachusetts, New England, Letterheads