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DRY DOCK PROPELLER WHEELS. We solicit orders for propellers, both solid and sectional, of all sizes and designs. We have a complete equipment of instruments for the accurate designing of these wheels, as well as a first-class foundry, provided with all the necessary equipment to make wheels of special design for all classes of steamers, large or small. In designing wheels great care is taken to obtain the greatest amount of speed for the least expenditure of power. DRY DOCK ENGINE WORKS, DETROIT, MICH.