THE ELECTRIC TELEGRAPH. By Thom and Collins. 150 pp., 81 illus. Carries along by easy steps to complete mastery. Multiplex and Wireless telegraph explained. Price $1.00
MECHANICAL DRAWING. By E. Kenison. 160 pp., 140 illus. Complete course in projections, shade lines, intersections and developments, lettering, with exercises and plates. Price $1.00
POWER STATIONS AND TRANSMISSION. By G. C. Shaad. 160 pp., 43 illus. For Electrical Workers. Up-to-date practice. Price $1.00
PATTERN MAKING. By James Ritchey. 150 pp., 250 illus. For Wood and Metal Workers and Molders. Methods of building up and finishing, fully described. Price $1.00
SURVEYING. By Alfred E. Phillips. 200 pp., 133 illus. For Civil Engineers and Students. All details of field work explained. Price $1.50
STEEL CONSTRUCTION. By E. A. TUCKER. 300 pp., 275 illus. Covers every phase of the use of steel in structural work. Based on actual experience, special tests, etc. For Architects, Bridge Builders, Contractors, Civil Engineers. Price $1.50
BUILDING SUPERINTENDENCE. By E. Nichols. 200 pp., 250 illus. Costly mistakes occur through lack of attention at proper time, hurtful to Owner and discreditable to Architect and Builder. Gives thorough knowledge of methods and materials. Price $1.50
ARCHITECTURAL DRAWING AND LETTERING. By Bourne, von Holst and Brown. 200 pp., 55 drawings. Complete course in making working drawings and artistic lettering for architectural purposes. Price $1.50
MACHINE SHOP WORK. By F. W. Turner. 200 pp., 200 illus. Meets every requirement of the shopman, from the simplest tools to the most complex turning and milling machines. Price $1.50
TOOL MAKING. By E. R. Markham. 200 pp., 325 illus. How to make, how to use tools. Profusely illustrated. Price $1.50