[TheForge] [OT] Re: Cats, boots (Was: chickens)
Saint Phlip
phlip at 99main.com
Thu Mar 24 18:45:09 EDT 2011
Found a quoin...
http://www.metallicelephant.co.uk/HOT-FOIL-ACCESSORIES(711151).htm
On Thu, Mar 24, 2011 at 5:37 PM, Mike Spencer <mspencer at tallships.ca> wrote:
>
> Bruce wrote:
>
>> For "wedge" read "screw" and all your objections disappear.
>
> I know this isn't what you're referring to but it's related:
>
> I was fortunate to be able to take "print shop" in 9th grade. I
> printed up forms for a bogus laboratory that allowed me to order a lot
> of dangerous and otherwise unobtainable chemicals. But that's another
> story.
>
> The print shop had really cool devices called quoins, pairs of iron
> wedges which, when put together on a flat surface, formed a unit with
> parallel sides and a toothed groove down the center. The teeth formed
> a kind of diagonal rack gear. A corresponding tip on a T-handled tool
> made a pinion. When the hand-set type was ready to go, it was placed
> on a stone surface inside a steel frame -- a "chase" -- and the extra
> space mostly filled with blocks of polished hardwood. But space was
> left for the quoins, which were inserted loosely and in pairs on at
> least one side and one end.
>
> Then you inserted a wrench -- the pinion-like tool -- into a quoin
> pair and twisted. That forced the wedge-shaped halves to bypass each
> other and exert enormous force on the block of type. When this was
> done on both sides or all around, the type was "locked in chase" and
> ready to go to the press.
>
> Alas, I've never come across any of those quoins to put in my tool box
> but I have come across some places where they'd have been handy,
> places where I wanted to exert considerable force from the inside of
> something outward but had severe space limitations.
>
> In earlier centuries, printers used wooden wedges tapped into place
> with a hammer. The iron ones, though, always impressed me as a
> landmark of technological and blacksmitherly cleverness.
>
> I don't *think* that's way off topic. Opinions may vary. :-)
>
> - Mike
>
> --
> Michael Spencer Nova Scotia, Canada .~.
> /V\
> mspencer at tallships.ca /( )\
> http://home.tallships.ca/mspencer/ ^^-^^
>
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--
Saint Phlip
So, you think your data is safe?
http://www.cnn.com/2010/OPINION/01/23/schneier.google.hacking/index.html?hpt=T2
Heat it up
Hit it hard
Repent as necessary.
Priorities:
It's the smith who makes the tools, not the tools which make the smith.
.I never wanted to see anybody die, but there are a few obituary
notices I have read with pleasure. -Clarence Darrow
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