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Willie Koorts

4 Videos (Page 1/1)

7:41 Fast English (SA)

The Story of the Hawekwa "Mirror"

Willie Koorts - 4 years ago

2,374 views
17:28 Fast English (SA)

How to build a Telescope Dome and Sub-Building

Willie Koorts - 5 years ago

14,223 views
15:16 Fast English (SA)

The Sutherland Observatory in 1996

Willie Koorts - 5 years ago

808 views
10:22 Conversational English (SA)

How to make your own Rainwater Tank Level Indicator

Willie Koorts - 8 years ago

83,278 views
1