01 Sep 2018
For Sale Van de Graff Electrostatic Generator
Here is a working electrostatic generator. This will look great in your observatory! It is not marked, but I think...
04 Oct 2020
Excellent condition, used once. Price includes PP and shipping CONUS only.
08 Feb 2021
Wanted Vixen GP Mount -- For parts
Wanted broken mount (this one is older) or parts....mostly looking for the gearing and clutch/collar on the motor sha...
26 Feb 2021
For Sale 1 inch optical flat 1/10th wave
Here's an un-branded 1-inch optical flat, about 1/4-inch thick, 1/10th wave. Test image is against a VK flat. Looks n...
31 Mar 2021
For Sale Televue NP101 excellent
For sale is a TV NP 101 in excellent condition optically, mechanically, and cosmetically. This is a quality instrumen...
02 Jan 2019
For Sale Philip's Planisphere from 1960
Philip's Planisphere from 1960 in very good condition. Shippee CONUS 12.00