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Coal-tar and ammonia,

By Lunge, Georg,.
London, Gurney and Jackson, 1909 .
2 v. , Paged continuously. | "For the major part of this new edition ... I have ... been favored with the services of ... Dr. G. Kraemer." 23 cm..

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Soil acidity and its relation to the production of nitrate and ammonia in woodland soils,

By Clarke, George Robin..
Oxford, The Clarendon press, 1924 .
27 p. 28 cm..

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Solution of alkali metal in liquid ammonia [Motion picture]

[n.p.] Yale University, 1964 .
p. 7 min. sd. color. 16 mm. , Abridged version. | CREDITS: Producers, Andrew Patterson, Jr., David G. Anderson; photographers, Gene Bjerke, Margery Riddle. | SUMMARY: Examines the techniques and craftsmanship of basic research. Uses the preparation of a two-phase solution of sodium in ammonia. Covers fundamentals of glassworking and various techniques, including use of McLeod gage, leak testing, and bake-out procedures.

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