2623 - Foam expansion nozzle. Used to create large amounts of foam for
firefighting. Works just like the little bubble wands sold as toys. Foam
concentrate in the water stream picks up large amounts of air and hits
the screen at the end creating lot's of bubbles. Newer versions are much
easier to handle and use.
2625 - Part of a coal fired furnace/boiler. Uses a small amount of gas
(propane/natural gas) to ignite the coal in the unit. Works like a
normal gas burner in a grill/stove.
2626 - Hose clamping pliers. Used on small rubber lines.
2627 - Looks sort of like an old polished metal mirror, but the
proportion of the base are strange.
"Rob H." wrote in message
I need some help with the second and third items this week:
2626 that is a clamp for stopping flow on rubber hoses. I have one. Used it
a lot when doing appliance repair. WW
Posting from rec.crafts.metalworking as always.
2623) Never seen one of these before, but the combination of the color
and the shutoff valve lever at the top as shown suggests that
this is a piece of fire-fighting apparatus.
And overall, it looks to me as though it is intended to dispense
foam, or at least a fine mist, instead of the usual stream of
water. Perhaps part of an airport's crash handling equipment.
2624) Looks like a part of a ratchet which can be removed from the
2625) A burner for use with coal gas, perhaps.
2626) A pinch-off tool for things like rubber or soft plastic hoses.
Perhaps fuel lines. It locks at any given level of squeeze.
Mechanically, it could be used for pinching off veins and
arteries during surgery, but the materials are not right for
something which needs to be sterilized frequently.
2627) A candle powered spotlight. The reflector needs to be polished
for better efficiency. I think that the candle (or is it an oil
lamp?) is spring-loaded to keep the flame at the focus point of
2628) Something intended for winding up and dispensing string, yarn,
rope, or wire. The crescent moons should be rotated to the
vertical position as shown in the later photos, and the wire or
whatever is wound around the four crescents. The adjustable
radius allows for more length per turn, and also allows for
handling stiffer things which would not like to be bent to the
smaller radius which you would get with the arms set at their
I suspect that for most uses, the pivot point would need to be
mounted firmly on a tripod or on the top of a workbench.
Now to post this and see what others have said.
Concerning the two unidentified items this week, I think we are close on the
preheater, the other item could be a part from some type of machine, if so
it would be difficult to to find its exact purpose.
The answers for the rest of this set can be seen here:
I was thinking it had something to do with weighing, but the direction of the
handle is wrong for releasing under load. For example a trip release on a
primitive bag filling machine... A simple safety lock as you suggest would not
have this problem, however I guessing it slid into place rather than pivoting.
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