E. P. Allis and Co


Edward P. Allis and Co of Milwaukee, engineers.
Early maker of roller milling machinery.
1893. Exhibited a quadruple expansion engine at 1893 Chicago International Exhibition.
1896 Drawings and description of a 70-ton flywheel constructed by the E. P. Allis Co for the West End Street Electric Railway of Boston ; it belongs to a compound engine with cylinders 32 in. and 60 in. in diameter and 60 in. stroke, and coupled direct to a General Electric Company’s generator. The flywheel was of the built-up type, 24 ft. in diameter; the centre was of cast iron, and the rim built up of 17 steel plates 1 in. thick, and of varying depth, the rim being connected to the boss by two steel disc plates 1 in. thick, and extending to the periphery, so that the total width of the rim was 19 in. Near the centre the discs were reinforced by four steel circular plates 9 ft. 6 in. in diameter, and the attachment to the boss consisted of 48 bolts 2 3/4 in. in diameter. The two disc plates were 13 in. apart, and they are braced to each other by 16 radiating plate braces....[1]
1899 Won a contract to supply engines for the Glasgow Tramway electrification
1901 The American business of Fraser and Chalmers in Chicago was sold by the parent company and (along with the Gates Iron Works of Chicago) merged with Edward P. Allis and Co of Milwaukee, to form Allis-Chalmers Co. [2]
1907 Advert (Sheffield): 'POWER STATION PLANT FOR SALE. The TRAMWAYS COMMITTEE are prepared to receive offers for the following PLANT (all in good working order), which is being replaced by larger units at the Tramways Power Station, Kelham Island, Sheffield:
LOT No. 1 — One 350 I.H.P. Tandem Compound Corliss Engine (Makers: E. P. Allis and Co.), direct coupled to a 225 K.W., B.T.H. Compound Wound Generator, 550 Volts.' [3]
See Also
Sources of Information
- ↑ Engineering 1896/03/20
- ↑ http://www.encyclopedia.chicagohistory.org/pages/2677.html
- ↑ Sheffield Daily Telegraph, 9 March 1907
- [1] Mills Archive