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Griswold signals on 22nd Avenue NE, Minneapolis, pictured in 2018. In 1927, Griswold introduced the rotating banner signal. This was a unique combination of highway flasher and rotating stop sign (similar to a school bus stop sign). An approaching train would trigger not just the requisite red flashing lights and bells, but a mechanism that ...
Cartridge: 7.62×51mm NATO: Action: Roller-delayed blowback: Muzzle velocity: 868 m/s (2,848 ft/s) (Bullet velocities are highly variable as this metric is dependent on bullet weight and both the powder used and the weight of the powder charge.
Two PLGRs, showing different color schemes. The AN/PSN-11 Precision Lightweight GPS Receiver (PLGR, colloquially "plugger") is a ruggedized, hand-held, single-frequency GPS receiver fielded by the United States Armed Forces.
The Seldon-Griswold Manufacturing Company was founded in Erie, Pennsylvania, in 1865 by Matthew Griswold (born 6 June 1833) and his cousins, the brothers J.C. and Samuel Selden. [ 2 ] The company made separable butt hinges and other light hardware products at a building called the "Butt Factory" beside the Erie Extension Canal. [ 3 ]
After Henry Josiah Griswold's 1872 sock machine, fewer framework knitters were needed. [3]Henry Josiah Griswold received a patent [number 3257] in 1873 for "Improvements in Knitting Machinery," and another patent [number 5048] in 1880 for "Improvements in the stocking manufacturing machines and other knitted fabrics".
The Griswold was an American automobile manufactured in Detroit, Michigan by the Griswold Motor Car Company in 1907. The Griswold was offered with three different chassis, with two-cylinder water-cooled engines rated at 10 hp, 15 hp, and 20 hp each. The track was an unusual 4 ft 7 in (1.40 m) size.
The Pratt-Read PR-G1 was initially designed as a speculative effort to meet a United States pilot training program requirement that Charles Townsend Ludington and Roger Griswold II saw a need for when asked by James A. Gould, president of Pratt, Read & Company, as to what Pratt-Read could do to contribute to the war effort that was seen to be eminent.
Lieutenant General Oscar Woolverton Griswold (22 October 1886 – 28 September 1959) was a United States Army officer who served in the first half of the 20th century. He is best known for his command of the XIV Corps in the South Pacific Area and South West Pacific Area during World War II .