Ore mining methods, comprising descriptions of methods of support in extraction of ore, detailed descriptions of methods of stoping and mining in narrow and wide veins and bedded and massive deposits including stull and square-set mining, filling and caving methods, open-cut work and a discussion of costs of stoping T Technology
Organization of aeronautic contests and contest rules, including Statutes and general regulations of the Fédération aéronautique internationale T Technology
The oriental cook book; wholesome, dainty and economical dishes of the Orient, especially adapted to American tastes and methods of preparation T Technology
The original Appledore cook book : containing practical receipts for plain and rich cooking T Technology
The original Buckeye cook book and practical housekeeping : a compilation of choice and carefully tested recipes T Technology
Ornamental concrete without molds; a practical treatise explanatory of a system of molding ornamental concrete units with templates .. T Technology
Ottawa (Britannia) water supply system–Drinking Water Surveillance Program, annual report T Technology
Ottawa (Lemieux Island) water supply system–Drinking Water Surveillance Program, annual report T Technology