3013 is a seed cleaner.
3015 has got yardage on it. It has to be a flip-up peep site for some
weapon with an effective range out to 600yd, ruling out most small
shoulder arms (yes, I know crack shots can do that, but most military
guys are barely competent with their small arms... <G>)
3018 I think it's just a classroom aid. The lines appear to be made
with drafting tape! It looks like a crude mockup of an attitude gyro to
me. Could be from an aircraft OR a sub... wouldn't matter much for the
style or types of readings you'd get.
3018 is a ball used in a horizon indicator on an airplane or jet. It's
mounted in a display cradle.
3015 Sights for a sniper rifle.
3016 microscope (too simple.. you want the specialized purpose which I
3013 for some farm produce... cleans the earth from the produce...
carrots, potatos, onions or something.
3013: the u-bolt suggests to me that one would draw it along the axis of
the handle to slide the blade under something, then lift the handle to
I've never worked with wood shingles. I wonder if it could have been
useful in removing a course of shingles.
Posting from rec.crafts.metalworking as always.
3013) Looks like a device for separating seed from chaff -- perhaps
wheat, perhaps some other grain.
3014) Sorry -- no guess on this one.
3015) Hmm ... I think that it is a rear peep sight for a rifle.
The scale on the arc on the left is to adjust elevation for range.
3016) Well ... first off, a microscope (with some intersting fine focus
knobs, I think.)
The degrees scale near the bottom suggests that it is for use
with polarized light, which suggests to me that it is likely for
The label is rather badly pixellated by the limitations of jpeg
compression, but it looks as though it reads "American
Optical", a long time maker of microscopes.
3017) At a guess, something intended to rotate a sample of some sort
for inspection or for work on it.
3018) This appears to be the ball from an ADI (Attitude Director
Indicator) from an aircraft (or a similar one by another name,
including "artificial horizon".
The ball is held behind a glass in an instrument in the panel.
It rotates around the axis it is shown mounted on to indicate a
dive (black side fills more of the window) or a climb (white
side fills more of the window.) Note the broken words "CLI MB"
in the white half (at about 45 degrees climb angle), and "DI VE"
in the black half, again at 45 degrees dive angle.
It is also tilted from left to right to indicate tilting of the
The ADI which I knew in a flight simulator for the LTV A7-A also
had compass directions around the equator, and would also rotate
on that axis as well.
At a guess -- this was a give-away by a manufacturer of such
instruments, to call attention to their product lines. It would
certainly not be mounted on such a base in a real aircraft
Now to post this and then see what others have suggested.
Thanks for the links, I agree that it's probably not for submarines, though I do
think it's for training or display purposes since the ball is around 7" diameter
and the one in your last link is about 2" diameter. Also as Lloyd mentioned the
tape wouldn't do well in a working device.
They've all been answered correctly this week:
this is a submarine diving gauge, though a lot of people have suggested
that it was probably an altitude indicator ....
No... "ATTITUDE" indicator! <G>
And just a quibble... it's NOT an attitude indicator. It's a
demonstration MODEL of an attitude indicator, for teaching and display
purposes, but having no function of its own.
Weellll... some of them do! (we just had an example!)<G>
I'm literally _surrounded_ by them here in Florida Cattle Country.
Despite what I consider to be their odd beliefs in an indigent New Yawker's
imagined fancy copper plates 'n such... Other than that, they're just
"folks". They're generally more _moral_ than the average run (not all of
them, no), but other than that, they vary in behavior, dress, intelligence,
and general biases just like the rest of the population.
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