A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
From: Tony Oz
Date: 2018 Nov 5, 10:32 -0800
It occured to me that the tyre valve cup is just nice and easy to find replacement for the key to drive the 2mm·2mm head of the mirror-adjustment screws!
Hoorrray! No more desperate searches for square tubes, etc.
Hope that helps someone too!
Warmest regards ever,