The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

IN the three essential units of a crane—mechanical, electri- cal and structural—where great strength, ruggedness and rigidity are demanded, Chesapeake Cranes have provided generous strength factors. Because of their unfailing dependa- bility in. standing up under the most gruelling service, Chesapeake Iron Works You Can Always Get PROMPT DELIVERY of drawing tables and boards, squares, curves, etc., from us because we have a full line of them in stock. All kinds of: T Squares Wooden, Transparent and Ambro Triangles Wooden, Transparent and Ambro Curves Straight Edges Flat, Triangular, Boxwood White Edge Scales Ship and Railroad Curves Drawing Tables and Boards. Every article is positively guaranteed to be of the highest quality at moderate price. 102 Reade St., | Our catalog No. G is free for the asking. NEW YORK BLUE PRINT PAPER COMPANY New York City THE MARINE REVIEW “* Milwaukee Cranes’’ are built for service. Ship- yards all over the country are using them. PITTSBURGH: 2201 FARMERS BANK A shipyard is no better than its poorest equipment. Don’t let the poor equipment consist of your cranes where a slip might cost lives. Specify ‘The Milwaukee Crane’ and get the best. MILWAUKEE ELECTRIC CRANE & MFG. CO. BLDG. MILWAUKEE, WISCONSIN April, 1919 Chesapeake Cranes are known as ea “the most rugged crane built - Write for our booklet ‘‘How to Judge a Crane’. It will prove highly interesting and informative. Unusual facilities for early deliveries. Baltimore, Maryland MULTIPLY MAN POWER Long reach, with high factor of safety, and speedy operation result in maximum production from labor. Build Barges and Tugs With a DRAVO Vr 2 ie a - Standard DRAVO Truck and Tawer 3 Whiclers used on our work for years have proved their versatility, efficiency and economy over other types of material handling apparatus. Write today for Bulletin No. 104. THE DRAVO CONTRACTING CO. Chicago Engineering Works Dept. Pacific Coast Creve arene enact iceman Wer i Philadelphi amilton anse Todianepolls DRAVO-DOYLE CO. RRinito Bidg., PITTSBURGH San Francisco Let us know your require- ments—a letter telling of your needs will put one of our engineers at your service. NEW YORK: 50 CHURCH ST, Please mention THE Marine Review when writing to Advertisers