On Thursday, May 9, 2013 3:23:32 PM UTC-5, Rob H. wrote:
-- > >LLoyd
e it but hopefully will by tomorrow. Thanks, Rob
Many grinders have similar burrs, not just for coffee. Found in a garden,
previously a farmyard? Size gives a clue, also.
My grandfather had a corn grinder with a very similar looking small diamete
r burr (positioned horizontally), for grinding corn into smaller bits, to f
eed the baby chicks, not for making edible meal or for ginding coffee beans
A corresponding concave disc/burr was stationary over the lower rotating di
sc. I'm sure other grains could be ground, also. The grinding aspect was
not completely enclosed, to capture all the bits, pieces and dust of the me
al, so as you cranked the handle, some debris would fall out from other tha
n the spout area. That grinder was mounted on a post under an overhang of
the barn, ie., the debris remained outdoors. Someone in the family still ha
s that old grinder, so a pic might be able to be gotten. The grinding acti
on (and burr) was visible as you ground the corn. When young, I operated t
he grinder many times, when visiting.
2867 - A burr for a grain grinder for crushing large grain into smaller siz
es for feeding chicks and other small farm birds, or the like.
A few are, but only the fine-grind "expresso" types. I've only had a
couple that small, and they weren't useful for chemicals grinding. The
rest those I saved are from 2.5" o.d. to 5" o.d., and of varying types.
Some have 'plain' surfaces like that (but it still could be a helical
Some have an auger in the center.
Some have "cut teeth" where the helical teeth have been gouged at periods
to provide movement of the material. Usually the gouging is in a spiral.
Some have only 'spikes', and no radial or helical teeth at all.
Some have round holes.
Some have square holes.
Some have mounting holes for a bushing or boss.
I don't think anyone ever decided what is the optimum configuration for a
coffee grinding burr!
The ones I have all share two things: They came from an A&P Grocery
store warehouse shutdown, and they're all harder than a witch's heart!
You could cut C-90 cobalt tools with 'em!
It certainly could be. There are very few differences between a plain
burr and a gear, except where it's used.
I said I was sure -- wasn't guessing. Now you have me wondering if I
shouln't have jumped on it so quickly! <G>
2864. I going to guess one of thousands used to polish raw castings.
2865. With the handle being approximately 10" long the triangular piece
is used to do things that require a triangular shaped object. The
symmetrical shape from one side to the other aids in implementing the
required action to complete the task of doing something with the
triangular shaped piece. Ok, I'll stop now. ;~)
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