A number of commercial telescope makers also sell telescopes based on this design.

From its inception, telescope makers have been modifying the Dobsonian design to fit their needs.

He placed the patent-able portions of his design in the public domain, making them more easily accessible to other telescope makers.

Note: This article is about the telescope maker.

It is commonly used by amateur telescope makers for figuring small astronomical mirrors.

The Newtonian telescope's simple design makes them very popular with amateur telescope makers.

He continued his work as a telescope maker, selling many of them to other astronomers.

How to murder your wife and get away with it: First become a famous successful telescope maker.

Thousands of amateur telescope makers from all over the world gather to share their innovations, join in competitions, and enjoy the night sky.

His descendants became telescope makers for four generations.