Posting from Rec.crafts.metalworking as always.
2677) Strange beastie. Might be to dispense glass microscope
slides. The size is about right. Other than that, no guesses.
2678) A somewhat wider version of a machinist's jack -- intended to
live part of a workpiece to the right height above the machine
table, so the surface being machined is level.
The "lock" feature is so it does not change its height during
the vibration of machining.
Most that I have seen are somewhat smaller, and don't have the
lock feature.
2679) Well ... this looks like a satellite. Smaller than most, but
larger than the original Vanguard "grapefruit". The antenna is
interesting. It has a lot of silicon solar cells to keep it
powered in space (no way to get to it to change batteries until
the shuttle came into being.)
I guess that it could be something carried aloft on a balloon for
research, but the fact hat the solar cells cover most of it
suggests that it is designed to run for a long time at varying
angles to the sun.
I've seen one of the Vanguard ones which never got launched.
(The lab where I worked had vacuum coated them, including later
ones of various sizes.)
The white coating is unusual, as is the belt of windows around
the equator. (Hmm ... it almost looks as though I see people
behind the windows, so perhaps this is a model of some large
scale space station.
2680) Looks like the business end of a German WW-II (or perhaps even
WW-I) "Potato Masher" hand grenade.
It is certainly cast into a shape intended to fragment to make
lots of shrapnel.
But a quick look at WikiPedia shows images which are a bit
different. It is still a grenade, but not the one which I
thought.
2681) Two wood organ pipes -- missing the stems which plug into the
wind box. The handles at the right hand end are for
pushing/pulling plugs which tune the pipe to the desired note.
2682) Perhaps replaceable blades for something like a road surface
planer -- to remove upper layers of asphalt paving prior to
re-paving?
The first machine I ever saw to do this was labeled a
"Scaraplane", so I think of this as "scaraplaning".
Now to post and see what others have suggested.
Enjoy,
DoN.
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