Drilling rig derrick installation.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...l_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ck_install.jpg
Previously:
https://www.homemadetools.net/forum/...2313#post76134
https://www.homemadetools.net/forum/...482#post110702
https://www.homemadetools.net/forum/...2313#post76134
https://www.homemadetools.net/forum/...107#post103313
https://www.homemadetools.net/forum/...857#post111855
https://www.homemadetools.net/forum/...826#post133430
https://www.homemadetools.net/forum/...968#post129625
