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The Starrett corporation has continuously expanded through its history through the patenting of products and takeovers of other manufacturers. In 1878 Laroy S. Starrett invented and patented the first combination square, [4] and in 1880 he founded the L.S. Starrett Company in Athol, Massachusetts, in order to produce it and other precision ...
The internal-drive square socket for screws (as well as the corresponding triangular socket drive) had been conceived several decades before the invention of the Robertson screw and driver. An earlier patent covering both square-socket- and triangle-socket -drive wood screws, U.S. patent 161,390 , was issued to Allan Cummings of New York City ...
[1] [2] Other names for the tool include adjustable square, combo square, and sliding square. The most common head is the standard head, which is used as a square for marking and testing 90° and 45° angles. [3] The other common types of head are the protractor head, and the centre finder head. [4]
Three people, of which two were police officers and one a firefighter, were injured when a garbage truck exploded in a Chicago suburb last Friday.. The police officers and firefighter were ...
Texas spotted Clemson an early lead before pulling away for a win in the College Football Playoff. The Longhorns next face Arizona State.
The 47-year-old victim was snoozing on the southbound platform of the Atlantic Avenue-Barclays Center station around 1:45 a.m. when the worker poured bleach on the floor next to him, according to ...
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