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Rough grinding a telescope mirror. The Joy of Mirror Making it changes shape very little while grinding on the glass. Check price. Manufacturing Machines for SALE ...

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Mirror grinding - Telescope making . On all the ATM webpage's and books you will see neat, equally sized, ... Joy of Mirror Making: Rough Grinding - Mel Bartels ...

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The successor to his mirror and grinding efforts ... Mel Bartels's Joy of Mirror Making; ... Follow Telescope Building on WordPress.com.

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After hogging the mirror blank to depth, the rough grinding stage begins. In this video I am grinding with 60/90 grit. The wets are lasting about 90 seconds ...

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This page describes the rough grinding process. Before You Start. Use this checklist to make sure you are ready to start rough grinding: You have selected a mirror diameter and focal ratio, and have use these to calculate a target sagitta.

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The Joy of Mirror Making Mel Bartels ... ROUGH GRINDING THE MIRROR. ... mirror, and continue grinding for a few ... ASK more; Wooden Telescope Part 1: The Mirror ...

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Joy of Mirror Making: Rough GrindingMel… The Joy of Mirror Making. Mel Bartels. Rough Grinding. The first milestone is putting a curve into the mirror face.

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Joy of Mirror Making: Rough Grinding - Mel Bartels. Mel Bartels Rough Grinding The first milestone is putting a curve into the mirror face.

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Concrete grinding is the simplest and most efficient method for leveling and restoring concrete flooring. ... Joy of Mirror Making: Rough Grinding - Mel ...

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Rough Grinding a 20" Quartz Telescope Mirror on ... on Astronomy Telescope by makethingsman. Rough Grinding a ... a telescope mirror Joy of Mirror Making: ...

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Joy of Mirror Making: Rough GrindingMel ... See a nearby tutorial titled, "Making A Mirror Grinding Tool". Linked Mining News. japanese ball mill manufactures;

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Joy of Mirror Making: Rough GrindingMel… The Joy of Mirror Making. Mel Bartels. Rough Grinding. The first milestone is putting a curve into the mirror face.

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telescope making, mirror grinding, ... If you want to make a mirror that you will turn into your primary, visual ... rough grinding ...

Telescope Mirror Making: Part 3, Rough Grinding - YouTube

They have short videos for each of the two different strokes you ... tut44 Making A Mirror Grinding Tool Author:

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Rough grinding a telescope mirror. The Joy of Mirror Making it changes shape very little while grinding on the glass. Check price. Manufacturing Machines for SALE ...

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31 rows· Rough grinding a telescope mirror. The Joy of Mirror Making Mel Bartels Rough Grinding The first milestone is putting a curve into the mirror face.

Rough Grinding a 20" Quartz Telescope Mirror on the …

The Joy of Mirror Making ... And here is the result after 5 hrs of machine polishing starting from a 20 ... Rough Grinding a 20" Quartz Telescope Mirror on the ...

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Jumping into Mirror Making ... I've collected many fine books on telescope making and mirror grinding, ... Joy of Mirror Making: Rough GrindingBBAstroDesigns .

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mirror grinding reflector_Stellafane ATM Main PageAmateur Telescope Making Main Page. Russell Porter Grinding a Mirror "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of t

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The Joy of Mirror Making Mel Bartels ... ROUGH GRINDING THE MIRROR. ... mirror, and continue grinding for a few ... ASK more; Wooden Telescope Part 1: The Mirror ...

Rough Grinding a 20" Quartz Telescope Mirror on the …

It raises the grinding level seven inches above the table top for the sake of my back. ... Rough Grinding – Fine Grinding. I ... I slightly chipped the mirror at ...

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The Joy of Mirror Making Mel Bartels Rough Grinding The first milestone is putting a curve into the mirror face. ... Joy of Mirror Making: Rough GrindingBBAstroDesigns.

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Mirror grinding - Telescope making . On all the ATM webpage's and books you will see neat, equally sized, ... Joy of Mirror Making: Rough Grinding - Mel Bartels ...

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The Joy of Mirror Making ... Previously in rough grinding we deepened the center of the mirror's face either by grinding with coarse grit and a tool, ...

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Joy of Mirror Making: Rough Grinding - Mel Bartels. The Joy of Mirror Making Mel a spherical curve in the mirror face The grinding wheel on a boom approach is ...

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Rough grinding will take 4 to 6 ... The drawing at left by Russell Porter shows a knife edge test being made in the early days of mirror making (~1930). The mirror, ...

Joy of Mirror Making: Fine Grinding - BBAstroDesigns

This page describes the rough grinding process. Before You Start. Use this checklist to make sure you are ready to start rough grinding: You have selected a mirror diameter and focal ratio, and have use these to calculate a target sagitta.

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns Mel Bartels Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length.

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Mirror grinding - Telescope making . On all the ATM webpage's and books you will see neat, equally sized, ... Joy of Mirror Making: Rough Grinding - Mel Bartels ...

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Joy of Mirror Making: Rough Grinding. Rough grinding a telescope mirror. ... The first milestone is putting a curve into the mirror face. ... The curve is ground into the mirror face using a grinding tool.