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hindle type grinding machine

Club History | Mahoning Valley Astronomical Society

The MVAS is now well equipped to handle almost any type observation. .... He used the Hindle Test to figure the secondary mirror which involved making a ... In the 1940s, he and his friend Charley Prather built a grinding machine and a...

Hindle Group Home

Hindle Group comprises of 3 divisions involved with the gear & gearbox ... We offer General Engineering disciplines - Grinding, Boring, Milling and Turning and this is ... Types of control cable we can offer are: Brake Cable, Throttle Cables Stop...

Twin 20” Dobs by Johann Swanepoel - ScopeX

Grinding and polishing machine: Two 20” (508 mm) diameter 48 mm thick Pyrex ... given by John Hindle [Amateur Telescope Making volume 3 – Chapter A.2, ... web (especially that dealing with machine figuring - typical manual type polishing...

John Henry Hindle (1869 - 1942) - Manchester Astronomical Society

John Henry Hindle was nominated for membership of the Manchester .... A Hindle mirror-grinding machine is still in use by the Norwich Astronomical Society...

Astro-Tel - Mirror grinding machine

I also built another machine of the same type. Also a Hindle type machine for a southern firm to grind and polish 12.5" mirrors. Later I sold them my two machines...

Constructing grinding and polishing machines

Introduction Mirror or lens grinding by hand can be a labour of love: great fun at ... the Hindle-type machine, and is a design based on the machines developed...

Grinding solutions by machine type - JUNKER

We offer the right grinding machine type for all your grinding tasks. JUNKER can also furnish comprehensive references for the conceptual design and of...

Other grinding machines | Fermat machinery

Special grinding machines. In case of customer''s requirements we are ready to carry out a complete overhaul or modernization of the less usual machine types,...

The main types of machines - AstroSurf

Draper/Hindle-type machines : This is the mother of all machines. Its principle seems to have been elaborated by Huygens, about 1738, and improved by Lord...