5, 1917 AVIATION 279 AVIATION 278 … BALL AND ROLLER BEARINGS LEYGRAND&CO. Annular—Single and Double Row Ball Thruat—All Types Taper Roller—- Roller Thrust— •- "ar Type Pressed Steel- 120 Broadway, New York Sole Agents for the U. S. of MILL AGENTS The Bowden Patent Wire Mechanism for the Transmission of Reciprocating Motion Aluminum…
Aviation Week
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