Excessive lubrication is wasteful, unclean, and hurtful to a press. A small quantity of oil should be used at a time, as a large amount will overrun on the press, and hold the dust and grit caused by sweeping the floor; these, working into the journals, will wear the press more than use. The best oil should be used, whether sperm, lard, or coal. Kerosene may be used to clean the ways of a press when they have become gummed by the use of improper oil. Presses should always be kept scrupulously clean. HOW TO TREAT WOOD TYPE. To prevent warping, all very large wood type should be set up on the edge when put away, so that both sides may be equally exposed to the air. In cleaning it, neither ley nor water should be employed under any circumstances. Turpentine, camphene, benzine, or kerosene oil may be used; but turpentine and camphene are the best. Procure a small, shallow pan; lay the form flat on a board; pour about six tablespoonfuls of turpentine into the pan; touch the face of the brush to the turpentine, and pass it quickly over the form before it evaporates. Six to eight spoonfuls of fluid will be found sufficient to clean a large form, if thus used. [Illustration: PALETTE KNIFE.] [Illustration] WAREHOUSE DEPARTMENT. THE WAREHOUSEMAN. [Illustration] The warehouseman should be a man sober and upright, and thoroughly competent to the business, on whom entire reliance may be placed,—one who will act upon the principle of making his employer’s interest the end of all his action. The employer or foreman should frequently look to the concerns of the warehouse, and see that all the work is forwarded with despatch and accuracy. The warehouseman should be provided with a book, termed “The Warehouse Book,” with pages annexed, on the following plan, and about the size of foolscap quarto:—