Just great! No one else had answered so I had a chance to be
first. I didn't recognize or even have a clue about a single one.
Feeling a little dumb. Rob, I really appreciate your efforts at
doing this, I look forward to Thursdays.
Keep the whole world singing . . . .
1585 - Sailboat hardware. A cleat to hold a line against
tension. It releases when the line is pulled the other way.
1589 - a tool used for sewing nets with heavy rope?
1590 - a thickness gauge, an old micrometer, but clearly the
question is for who?
1586: Looks like a centering indicator to be clamped in a lathe tool
post, the point rides on a part chucked in the lathe and the other end
exaggerates any out of true motion - I think they are called
"wobblers". Now replaced by dial indicators. Joel in Florida
Others have noted #1590 being a thickness gauge... I would suggest
that if you told us how many TPI the screw we could figure out which
gauge is being measured on the dial. It looks to me like the first
revolution from tight reads off gauges 3.5 to 35 or 40, and the second
revolution reads off gauges 00 to 3.5 with the next half turn. I would
hazard a guess that gauge 00 must be about 3 times bigger than gauge
11, and 1.5 times bigger than gauge 3.5. This seems to not be AWG, but
maybe British SWG.
On Thu, 9 Apr 2009 06:54:59 -0700 (PDT), Tim Shoppa
It looks like the standard sheet gage used in the US, and the lead of
the screw is 1/4". 7ga is about 3/16", about 90 degrees on the dial is
11ga (~1/8"), and another 90 degrees to 16ga (~1/16"). Birmingham
Sheet Gage is similar.
The tool could be used in a warehouse or a rolling mill. Starrett
makes (or made) large rugged micrometers with a wooden handle for this
sort of duty.
Is there an "American standard wire gauge"?
I tried AWG first but the ratios were all wrong. We know from the
photo that 1/3 of 00 gauge should be about 10.7 gauge, but that
doesn't even come close to AWG.
British or Imperial Standard Wire Gauge does have the right ratios, as
does Birmingham and Stubbs, but AWG can't be right. In the middle
range a lot of gauges were fairly close to BSWG and I can't really
rule them out either.
1585. Obviously a cleat or clamp of some sort. I think it's a cleat
used to clamp down on a tarp being stretched over something. There
are similar cleats on boats, but the ones I've seen have two movable
"arms" not just one. On our sailboat, my Dad called these "jamb
cleats" or "monkey cleats". Never understood the second term.
1586. An old "wobbler" style center finder for a lathe. I only know
this because my machine shop teacher in VoTech showed us a lot of
"olde tyme" tools/tricks.
1587. That's a puzzler. Is it possible there is a part missing? Does
the metal part thread into the wooden handle?
1588. Some sort of apparatus for drop testing or testing impact
sensitivity of a material. Could be used for anything from testing
resiliency of a plastic to sensitivity of explosives.
1589. Plumb bob?
1590. A thickness gauge of some sort? But the graduations and
calibrations seem to be in a logarithmic not linear scale.
It is a silly thought, but it would be amusing to contemplate this
door-knocker coupled to a delay/amplifier so that if it were struck it would
produce the ting-Clang of a blacksmith/apprentice strike.
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