complete control of these on a Macchi 7 flying boat with 450 Napier Lion engine. 200-2 nautical m.in i hr. § min. 4:74 sec. Bleriot monoplane, 50 H.P. gasolene engine to marine borers, purpleheart and crabwood. 168,454 cu. ft. of wharfage, of 35 ft. and