Ledeboer, John H. (John Henry) · London : [s.n] · leaf 331
nal America, have 1,800 h.p., but I feel that in the main the design and the idea back of and be able to alight and start from the ocean. Mr. Rodman Wanamaker has since made public a letter it is a good one, and I feel that we, in this country, cannot received by him from Mr. Alan R. Hawley,… … STANDARD PROPELLER HUB ON AERO ENGINE to, say, 60 h.p., from 60 h.p. to 100, from 100 to 200, and “ 1 beg to acknowledge the receipt of your letter of April 1, in which you advise that, pursuing your purpose to build an air¬ over 200. I have here a design of my own of a hub for a craft that will…
