POWERHOUSE COLLECTION

Physical Description

Hargrave journal, volume 4, folder 33 Page 125: Made one of the smoke ring boxes Mar 17, 98. Diagram of speed of lead top7768 revolutions of top per minute. Mar 17.2.98 received from Fitzmaurice Engineering & Scientific American returned March 22. Page 126: March 21, kite Nell & soaring taken to beach. Tried H & others under Nell, H doing well, string too long, Nell broke off but rescued from bush little damage. Diagram. March 27th, Diagram of objects in front of smoke box. Additional item 125 a & b: Letter from Albert Zahm, Catholic University of America, date Jan 31, 98. Congratulations on his work and suggestions for testing the horizontal integrity of the wind on his kite experiments. Notes the number of Hargrave kites in American hands. Wishes to be kept up to date with developments. [note states reply pg. 127.] 126 a & b: Letter dated Feb 15, from James Means. Requesting article for next annual. Please send all current details and drawings if possible. P.S. Received paper of Sept 97, would appreciate further updates. c & d: Pamphlet with outline of contents of past Aeronautical Annual, letter from Means describing new title The Aero+Annual, with a broadening of scope. Article - Wind Power as a Substutite for Coal. Summary of work from 1881 to present on developments in wind power.