Posting from rec.crafts.metalworking as always.
2545) Hmm ... looks like a combination of an ornate key and
a match lit firearm, based on the presence of what looks like a
touch-hole partially intersecting the last decorative ring.
I like the S-shaped ward at the end of the key, too.
2546) Lab apparatus for demonstrating the breaking up of water
into oxygen and hydrogen by the application of an electric
You put two electrodes in the bottom end of the two Burette
tubes (inverted from normal arrangement), add water (with a
little salt or acid to make it more conductive), open the
stopcocks at the tops of the Burettes and pour in the water
until the level is just beyond the stockcocks and close the
stopcocks. Then apply DC to the two electrodes, and notice the
volume on the Burettes (if they are graduated -- it is difficult
to tell with this photo.
When it has run for a time you can connect the tops of the
stopcocks to rubber tubes to guide the generated gas to other
containers. One Burette will produce oxygen, and the ohter
hydrogen. Mix them into a single container and you will have a
nice explosive mixture. :-)
2547) A coin which has been run between to loosely-meshed (but heavy
duty) gears. Looks as though it once was a US quarter dollar.
2548) To answer the stated question -- yes it has a specific use.
However, I don't know what that use is. Perhaps it is for
removing debris from a sewer.
2549) Hmm ... is it rigid or resilient? From the length, and the
location found I would suspect that it might be an early form of
condom. They have been made from eel-skin and from sheep
intestines in past times. I have read of the eelskin ones being
found still floating in the city sewers
But it looks rather tight at the small (left) open end for that
It could be a bulb for a form of medicine dropper, again
assuming that it is not rigid.
2550) Not a clear enough photo to be very clear in my guesses. :-)
Could it be that when the handles of the plier end are opened
the wings of the other end close? Then it could be inserted
into a just-drilled hole, and used to debur the inside end of
the hole. The material looks to be bronze (unless that is an
artifact of the illumination and the white-balance settings of
the camera). The central screw seems to be steel at least.
Now to post this and then see what others have suggested.
I think the wings are stationary, I forgot to include this description by
the owner of the tool:
"It is brass, the top is spring loaded, (I think to release it) when pulled
it expands the bottom part."
Thanks to everyone who answered the electrolysis device and the shovel, I'm
intrigued by the last item in this set and hope to get it identified soon.
The rest of the answers for this set can be seen here:
2250 There are some wondrously clever special-purpose plumbing tools.
This may be something to hold a pipe in a fitting or nipple while it is
being soldered, for the case where the pipe wants to pull out and the
outside isn't available. You shove it through the nipple, into the
pipe, with the wings bearing against the open side of the nipple. It
grabs the inside of the pipe and holds things together while soldering.
On 5/4/2012 5:05 PM, Rob H. wrote:
It almost looks like a tool used to insert a boiler tube into the plate.
It slides into the tube, you turn the end to tighten down the internal
jaws and then use a section of pipe over the other end to steer the tube
Your boiler tube idea and Alexander's pipe tool theory both sound like good
uses for it though I haven't been able to find anything similar on the web.
The word PAT'D is visible in one of the photos, I just sent the owner an
email asking if there is any more text on it and will post his reply if it
is worth reporting.
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