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telescope mirror grinding machine based on Dennis Rech''s MoM 20
Machine For Grinding Telescope Specula ... While the speculum is slowly revolving on the machine, ... being movable and slightly concave, ... Grinding machine.
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Machine For Grinding Telescope Specula. W. Forgan The simple addition to an ordinary lathe for the purpose of grinding telescope specula has .
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NO. XVII. MACHINE FOR GRINDING AND POLISHING LENSES AND SPECULA FOR TELESCOPES is an article from Transactions of the Society, Instituted at .
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Speculum metal is a mixture of ... impracticalities in using the metal made most astronomers prefer their smaller refracting telescope counterparts. Speculum metal ...
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Jun 14, 2009· telescope mirror grinding / polishing machine with tachometer Duration: 1:34. Florin Andrei 3,268 views. 1:34. Casting a lightweight hexagon back ...
Machine For Grinding Telescope Specula. Before describing brietly the machines used in grinding mirrors, it may be well to indicate the first step of all.
Machine For Grinding Telescope Specula , W Forgan The simple addition to an ordinary lathe for the purpose of grinding telescope specula has been of so much ...
Nov 16, 2012· Grinding 500 grit on a 25" f/ meniscus mirror. Tool is a 19" glass tiled stone tool with about a 3" overhang and about 37 pounds of weight.
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Dec 10, 2007· Metal (Aluminium) primary mirror making? ... and machine translation is not ... Aluminum mirrors have been around since the early days of telescope making and there ...
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