. Morton memorial; a history of the Stevens institute of technology, with biographies of the trustees, faculty, and alumni, and a record of the achievements of the Stevens family of engineers. atory in January,1888, agreed with each other six monthslater within volt, or about cent, at the same temperature. Twoof these cells, set up under the care of Muirhead, of London, also agreedwith each other within volt at onetemperature. The difference between theelectro-motive force of the London and New-ark cells was within volt, or percent, all at th
. Morton memorial; a history of the Stevens institute of technology, with biographies of the trustees, faculty, and alumni, and a record of the achievements of the Stevens family of engineers. atory in January,1888, agreed with each other six monthslater within volt, or about cent, at the same temperature. Twoof these cells, set up under the care of Muirhead, of London, also agreedwith each other within volt at onetemperature. The difference between theelectro-motive force of the London and New-ark cells was within volt, or percent, all at the same temperature, and themean difference was about volt ex- cess on the side of the London cells. Seethe Electrician (London), June 29, September, 1889, Dr. Woodman wentto Germany and took a course in organicchemistry at the University of Berlin, underProf. A. W. von Hofmann, and alsostudied the methods of Fresenius at hislaboratory in Wiesbaden. While at Berlinhe visited many of the large chemical manu-facturing establishments in the vicinity,—theAnilin Color, Bleaching, and Dye Works,Rubber Works, Kahlbaums Chemical Manu-facturing- Industry, etc. He was invited by. DuRAND Woodman Prof. Hofmann to represent the AmericanChemical Society by reading the congratu-latory letter of its president at the Twenty-fifth Anniversary celebration of the Kekulebenzol ring theory, which occurred MarchII, 1890, in the city hall at Berlin. On his return from Germany he reopenedhis laboratory in New York, where he hascontinued in practice as analytic and consult-ing chemist, giving much attention to techni-cal and industrial problems. In 1896 the oilsused and the gases produced by the Pintschprocess were investigated for the PintschCompressing Co. at their plants in andaround New York. In 1899 an investigation of the gases ex-isting in the subways under the streets ofNew York was made for the ConsolidatedTelegraph & Electric Subway Co.; also of the 624 THE STEVENS INSTITUTE O
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