John B. Goodman, Manuel GA³mez, V. F. Parry, United States. ... The thermostat cylinder, inserted within the furnace tube, is made from a piece of 3-inch, type 310 stainless-steel ... The steel shafting is bored out to receive the 2 -inch- diameter retort. ... The furnace heating winding, placed in the threaded alumina furnace core, consists of 15 feet of 1/8- by 0.0253-inch ... Both couples are constructed from 22-gage, class M, Chromel-Alumel wire. ... packless, bellows- type gas pump.
|Title||:||Laboratory carbonization assay of low-rank coals at low, medium, and high temperatures|
|Author||:||John B. Goodman, Manuel Gómez, V. F. Parry, United States. Bureau of Mines|