Posting from Rec.crafts.metalworking as always.
1543) Spirit duplicator. Hectograph, Mimeograph, various other names.
Gelatin in a pan or attached to a backing which wraps around the
drum. (Not sure which style this is for sure.) Ink soaks into
the gelatin from the master (sort of a reversed carbon paper
using an ink which dissolves in alcohol.)
The paper is wet with alcohol and rolled over the wax to pick up
the images. I think that the black cylinder around the central
shaft is the reservoir for the alcohol, and spays it on the
paper as it rotates, making this one with the gelatin in a pan
They used to use these to make the tests handed out in school
when I was in about the sixth grade (1955?) and probably quite a
while before that -- but that was when I noticed how the
machines worked. :-)
1544) No clue as to the function of this -- except that it appears to
fold up into a box, so it is portable.
It almost looks like the left extending paddle is for attaching
bait to -- for some kind of box trap, perhaps?
1545) This looks like a wrench for a certain kind of wristwatch back
with multiple flats for wrenching it open. Loosen the knob to
the right, slide the right jaw to about the right position, then
use the knurled knob to the left to tighten the moving jaws
visible on the first photo to clamp onto the watch back prior to
The tongue to the side (near the jaws) bottom on the upper
photo, and the extension out the small end of the handle would
work as case knives to open snap-in watch cases.
1546) Conveyer for moving cut hay into the wagon bed?
1547) Hmm ... an interesting device. Oriental markings (Chinese,
Japanese, or what?)
The silver handle is a cocking lever to set a strong spring.
Looks as though it ratchets so you give multiple strokes to wind
a large flat spring like a clock spring on steroids in the
housing under the lever.
The trigger releases it -- everything, or a single power stroke
Something goes in the windowed chamber above the muzzle contains
whatever it drives.
It looks as though the key near the middle winds up the
auto-loader for whatever goes in the chamber.
Whether it launches a projectile, drives a stud or stake into
something, or even happens to be a strange camera is not clear
to me, though it would probably become more clear if I had it in
my hands. :-)
1548) O.K. The taper pin could expand it to lock inside a hole.
Or -- it could be used with a hydraulic press to crimp a ferrule
to secure a fitting to a hydraulic hose.
By removing numbered segments, you can adjust it for smaller
hoses and ferrules.
-----) (No number?)
Looks as though it slides on a notched pole. The shorter stick
engages the notchers to keep it from sliding down. The longer
one cams the shorter one out of enagement to allow it to slide.
Now to see what others have suggested.
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