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#1
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lidmaster?
i have one and they work fine. the principle is pretty simple and, therefore,
reliable: one end of the calipers measures the exterior diameter of a lid (or any round piece) and the other end measure -- to the same length -- the interior. so, you throw a lid and set the calipers, then throw the pot and use the other end to guage the diameter, or vice versa. i don't think they are a "wonder tool" since you can do the same thing with a stick in the studio, but they can be handy at times. |
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#2
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my "lidmaster" calipers also have a way to adjust the center pivot pin to
enable shrinkage to be considered. you can use the "shrunk" pivot and measure a fired pot and get the wet lid size. handy concept, but i've yet to use it. steve Subject: lidmaster? From: (SpunMud) Date: 7/14/2003 8:21 PM Pacific Daylight Time Message-id: i have one and they work fine. the principle is pretty simple and, therefore, reliable: one end of the calipers measures the exterior diameter of a lid (or any round piece) and the other end measure -- to the same length -- the interior. so, you throw a lid and set the calipers, then throw the pot and use the other end to guage the diameter, or vice versa. i don't think they are a "wonder tool" since you can do the same thing with a stick in the studio, but they can be handy at times. steve graber |
#3
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I just bought one and noticed that it can help in calculating shrinkage. I
haven't tried it yet. |
#4
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i have seen these calipers in ceramics monthly from time to time, but also in
aftosa's catalog, aardvark (my best local supplier - santa ana california usa), and laguna clay. i acquired my tool with a batch of equipment i bought from a school that dropped their program long ago. a VERY nice way to get set up fast & cheap if you can find another school that dropped their program. see ya steve Subject: lidmaster? From: (Marmaj40) Date: 7/19/2003 9:03 AM Pacific Daylight Time Message-id: Steve: Where did you purchase this "tool"? I just had a lid (handbuilt on a thrown bottom) crack in ^6 firing. I want to make another. I throw the flange and attach it, so this would come in handy. Thanks Martha steve graber |
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