housing boxn. now rare = journal-boxn. at journaladj. and n. Compounds 2c.
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1868 U.S. Patent 80,858 1 The housing-boxes or journals for the axle-ends.
1904 Ann. Rep. Railroad Commissioners State New Hampsh. 289 The conductor..found the body of a boy, apparently twelve years old caught under the housing-box of the rear truck of a car about midway of the train.