Fellow Shadow Watchers,
Casting from wooden patterns is something not touched on
so far as I rarely use castings. For quite a while now I've been making the
patterns for a Mariners' Astrolabe in odd minutes between other jobs. They are
now finished and go to the foundr
Fellow Shadow Watchers.
My next series of JPEGs illustrates the making of
large (ish) dimensionally accurate discs out of thick sheet brass in the
lathe, engraving a degree scale and a matching vernier scale on a rotary
table.
If you are already on my 'sub-list' for JPEG
