What is it? CXLVII

A new set of photos has just been posted:
http://puzzlephotos.blogspot.com /
Rob
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845. Styrofoam building form to be filled with concrete. They're stacked like blocks to build the house shape and then filled with concrete. The styrofoam acts as the insulation for the house. 846. Chainsaw sharpening device. Karl
R.H. wrote:

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not 100% certian, but it looks like the PolySteel brand...

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R.H. wrote:

# 841 is a transfer punch set for threaded holes . 16 is the thread pitch .
--

Snag aka OSG #1
'76 FLH "Bag Lady"
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841 Transfer screws - used to locate a hole opposite a tapped hole in two parts to be assembled. You screw the transfer screw into the tapped hole pointed side out and assemble the parts, tap on the part to be marked and the pointy end of the screw makes a mark opposite the tapped hole.
842 Some kind of gunner's quadrant use to sight in a larke artillery piece.
Joel in Florida
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846. Chain Saw Blade Sharpener
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Oh yeah.
843. Retainer to keep burning logs from rolling out of a fire place. Normally used in pairs.
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R.H. wrote:

841- 3/8-16(tpi) center-indicating screws for transferring the center of a screw-hole to another part. The large item is both a holder and driver.
842- the markings on it indicate its used on a plane to find the true bearing, but to compensate for wind? For use near the poles where a magnetic compass has a significant deviation from bearing?
843-
844
845- poured concrete foundation form with pipe/wire holders
846
Dave
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842. The leveling feet and level bubbles make me think it is meant to be used on the ground. I'm going to guess that it is a device used by people at lookout posts to determine the direction of incoming flights of enemy aircraft.
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On Thu, 07 Dec 2006 14:34:25 GMT, "Bill Marrs"

In the days of yore when Fire Watch Towers were in use they used a similar if not the same type of device. If I recall correctly, they had a bit more distance in between the sites though.
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Leon Fisk
Grand Rapids MI/Zone 5b
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844.. Very old check writer ....used to make payroll checks tamper resistant
R.H. wrote:

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hi, # 841 looks like 3/8" X 16 screw threads. The five screws are used to transfer positions of holes. One screws them into threaded holes with the point sticking out. The holder tube has a small socket one the end to help screwing then in. Lay the undrilled part of this and tap it with a hammer. Where to drill is marked.
# 845 is a form for concrete used at a corner. After the concrete sets, the foam is left in place as insulation
Enjoy Roger Haar
R.H. wrote:
A new set of photos has just been posted:
http://puzzlephotos.blogspot.com /
Rob
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R.H. wrote:

842 is an astro compass, used by the navigator of a (large) aircraft for celestial fixes.
Kevin Gallimore
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axolotl wrote:

http://www.geocities.com/BourbonStreet/9544/astrodescribe.htm
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    Posting from rec.crafts.metalworking as usual.
841)    A set of transfer screws.
    The '16' is the thread pitch -- 16 threads per inch.
    The function is that they are screwed into tapped holes with the     male hex and the point up, and adjusted to just barely have the     point sticking up. Then the mating part is placed above the     original part, and slammed with a soft-faced hammer so the     points mark the center of all of the holes to be drilled so     bolts will pass through them and into the threaded holes in the     first piece.
    The hex socket on the projection at the left-hand end serves as     a wrench to screw the transfer screws into the workpiece.
    The knurled ring at the other end is a cap (as stated) to keep     the set of transfer screws stored in the handle for future use.
    Note that the other end of the screws is not a hex socket as     usual, but rather a round hole, designed to clear the male hex     to allow the screws to be stored occupying less space than     otherwise would be necessary.
    Five screws are sufficient for most tasks of this nature.
842)    An aircraft navigation instrument. Probably a form of sextant     for sighting the sun or stars (depending on the time of day or     night).
    I don't see provisions for entering the aircraft speed or the     wind speed, or I would consider it to be for determining true     heading and speed.
843)    Hmm ... given the mounting, I think that it may be to mount on     a roof (multiples of them, not just one) to break up caked ice     which is sliding off the roof so it does not come down in as     large and as heavy a single piece, and thus so less damage is     done by it.
844)    This, I believe to be a device for marking the amount on a     check by embossing, so the check can't be erased and changed to     defraud the company writing the check.
845)    This looks to be a part of an architectural model -- in this     case a curved alleyway with multiple gates.
    But -- it might be some kind of gutter for controlling the flow     of waste water, with the gates serving the function of blocking     solid objects from entering the flow.
846)    A file for re-shaping saw blade gullets.
    Now to see what others have guessed.
    Enjoy,         DoN.
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R.H. wrote:

The last two are a chainsaw file.
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#842: Aircraft navigation aid (?) #843: Candle snuffer (?) #846: Chain saw chain sharpening file
+--------------------------------------------------------------------------------+ If you're gonna be dumb, you better be tough +--------------------------------------------------------------------------------+
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