What began as a leisurely mirror-grinding exercise is turning into a race against time. Hopefully we have caught this soon enough. Chapter Five: The 30 Micron and 12 Micron Stages, August 20, 2000 This was the first of our double-length sessions. Four of us showed up early to get through these grit stages more quickly

Located inside the Lodge building, you’ll have a protected environment to grind, polish, and test your mirror. See photos from the 2017 and 2016 Mirror-Making Workshops (sorry, no photos for 2018) You will be able to set up on Sunday afternoon, and continue each day (9 AM – 8 PM Monday-Friday)

A good starter size is the 150 mm (6 ) mirror. A 200mm (8 ) will also work. Most ATM books and websites recommend a Pyrex mirror blank, but in my opinion, annealed plate glass is better for this first, learn and practice mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical

Just put the tool on the bottom and the mirror on top, then grind until the sagitta decreases. As you do this, sometimes the mirror and tool won't fit together perfectly and there will be bubbles in there - that's okay at this step, as you work through fine grinding though, seeing these can be a sign of a problem

The BYOT kits have Hot-line support for any questions or problems you may have. The kits are supplied to schools and are designed for 12 year olds and up. If mirror grinding and polishing doesn't sound like your cup of tea, the mirror can be purchased separately to

Mar 06, 2006 Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16 , 70% of 12.5 ends up at 8 3/4 . Looking back at my notes I used the tile tool primarily at the 70% zone of the mirror

Nov 20, 2021 The Mirror toured Gutu Central and Gutu North constituencies two weeks ago and realised that grinding mills belonging to the two are strewn all over the townships. Chitando was the first to introduce the Chinese made grinding mills in 2020 and Simbanegavi who will face at least three candidates in the Zanu PF primary elections including a

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