User contributions for William Hale
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A user with 3 edits. Account created on 27 July 2013.
28 July 2013
- 00:0200:02, 28 July 2013 diff hist +332 Talk:Energy tower (downdraft) No edit summary
27 July 2013
- 22:2122:21, 27 July 2013 diff hist +706 Solar updraft tower Vertical surfaces to heat the air in the updraft chimney are offered as an alternative.. Tag: Visual edit
- 21:3921:39, 27 July 2013 diff hist +876 Talk:Energy tower (downdraft) →Proposed Concept summary upgrade: new section