Crook on Roof

I like the crooked neck on this device, with a very clever low-cost adjustment to make it that the rotating part is level (cute use of geometry – simply rotate the two obliquely […] Click to continue reading this post

I like the crooked neck on this device, with a very clever low-cost adjustment to make it that the rotating part is level (cute use of geometry – simply rotate the two obliquely […] Click to continue reading this post →