MACHINE DESIGN. By C. L. Griffin. 200 pp., 82 designs. Written by one of the foremost authorities of the day. Every illustration represents a new device in machine shop practice. Price $1.50


These volumes are handsomely bound in red art Vellum de Luxe, size 6½ × 9½ inches. Sent prepaid to any part of the world, on receipt of price. Remit by Draft, Postal Order, Express Order, or Registered Letter.

AMERICAN SCHOOL OF CORRESPONDENCE, CHICAGO

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