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Re: [ATM] First mail to atm list: "inbetween"grits
Bob,
Thank you for the grit washing procedure. I'll try it on the next mirror.
I apologize for the incorrect reply procedure. It seems on Mozilla 1.7
at least that I need to "Reply All" to send to the list, and then delete
the poster's address. Otherwise it goes to the poster as well. Or maybe
there's another way - if anyone knows a better way, please let me know!
I don't want to be the cause of any more trouble.
Gary Fuchs
Bob May wrote:
>Gary, please hit the reply to the post rather than start a new thread! This
>makes it a lot easier in the archives as well as allows me to find what you
>are replying to if I have to. As it is, you just started a new thread with
>your reply and that reply should have been in the thread of the original
>post.
>The process for washing grits is fairly simple.
>Put the grits in a large enough jar. Any full diameter jar or bucket will
>do fine.
>Put water in the jar and swish everything about well. You will see that the
>bottom of the jar will quickly turn black with the grit falling out. When
>the water gets to a light gray color, pour off the water without getting the
>grit in the bottom of the jar to go out also. Repeat as many times as
>necessary (usually 3 times at a minimum) until the water doesn't go white)
>and you will see that the gray of the grit is now back to it's original
>color. At this point, you may want to seperate the heavy large grit from
>the lighter grit so get another jar and when you do a good swish,
>immediately pour the water into the second jar with a delay depending upon
>how fine a grit you want.
>Use the grit from the first jar on the mirror in small amounts so that it
>doesn't tend to flow over the sides and that will grind that grit down
>further.
>If you do things right, you can go all the way down to the final grind and
>then polish the mirror.
>Bob May
>bobmay@nethere.com
>http://nav.to/bobmay
>http://bobmay.astronomy.net
>
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