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brian.m.rule241: Experimental blue plate .
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brian.m.rule241: Millers Falls Co. Greenfield Mass, No 478 circular glass cutter
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brian.m.rule241: original glass cutter bit .
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brian.m.rule241: New glass cutter bit in place.
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brian.m.rule241: New cutter replacements
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brian.m.rule241: At least, i can cut a straight good glass score.
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brian.m.rule241: That went smoothly
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens. Lens #1
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brian.m.rule241: 3 inch dia. 1/4 flat lens.
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brian.m.rule241: 3 inch dia. 1/4 flat lens. device for truing glass lens.
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brian.m.rule241: Cobalt furnace/boiler combustion inspection glass.
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brian.m.rule241: T.GEO.STILES.CO. semaphore back spectacle.
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brian.m.rule241: Getting ready to grind down lens #2
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brian.m.rule241: 3 inch dia. lens. The second lens being worked down to 2 7/8
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brian.m.rule241: 3 inch dia. second lens being worked down to 2 7/8
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brian.m.rule241: 3 inch dia. lens, second lens being worked down to 2 7/8
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brian.m.rule241: 2 7/8 diameter backlight lens. copy.
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brian.m.rule241: 2 7/8 diameter backlight lens. copy profile.
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brian.m.rule241: 2 7/8 diameter backlight lens. copy surface.
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brian.m.rule241: 2 7/8 diameter backlight lens. copy surface.
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brian.m.rule241: T.GEO.STILES.CO.
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brian.m.rule241: lens #2 final work
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brian.m.rule241: lens #2 final work
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brian.m.rule241: 2 7/8 lens 37 hours