What is it? CXLIX

The latest set has just been posted:
http://puzzlephotos.blogspot.com /
A few weeks ago I posted links to three photos that were not included on my site, I have added one of them to this week's set for the benefit of those who do not follow the discussions here in the newsgroups.
Rob
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some silly guesses:
854 pasta maker, to cut the dough (? paste ? which is the right word? in german: Teig) to spaghetti 857 micrometer, to measure the height, with a accuracy within the range of a thousandth millimeter or better 859 some early type of electrical relay
greetings from germany chris
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wrote:

I believe #856 is an ice scraper, the plastic kind one carries in the car.
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I believe you're right! I'm surprised I didn't notice that, as I'm here at home waiting for the weather to warm so that the glare ice on the driveway will melt some so I can drive to work. Fortunately the car is in a garage so I won't have to scrape before leaving.
I was thinking it looked like some kind of splined miter joint -- but in plastic?? Nah . . . .
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853 Firing pin for a Hilti gun?
855 Corker. For putting the cork in a bottle?
859 OLD doorbell relay?
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R.H. wrote: 853. Firing pin or striker from something
855. some kind of swaging tool with multiple dies.
858. Bobbin for mechanical loom.
859. Relay, possibly from telegraph system.
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Henry Winkler?
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    O.K. Posting from rec.crafts.metalworking as usual.
853)    Interesting. Looks sort of like a key, except that     when it is turned counterclockwise (from the spring end), it     will cam in and press the screwdriver tip harder into the slot     in which it is (presumably) engaged.
    Not really sure why the spring around the rest of it.
854)    for guiding a set of lines (ropes) parallel. Perhaps     for winding a rope evenly on a drum -- though I would expect a     mounting instead of a handle for that.
855)    Looks like a tool for nipping a nail or a rivet to length.
    Not sure what the plates below it are for. Perhaps jaws for     *pulling* nails?
856)    No clue -- and it is way too late to take more time trying     to guess.
857)    A device for measuring thickness of materials -- 0 to 1/4"     (0.250"), in both 0.001" increments, and in fractional inch     increments of 1/64th of an inch.
858)    Another version of a "cork socker" -- a tool for re-installing     a cork in a wine bottle. It looks closer to the one which I     have had since about 1970 or so, except that mine is dark wood.     This is the second of these in the past month or two, IIRC.
859)    A relay for interrupting current through an inductive load, or     for fairly high voltage. (This because the double set of     contacts in the current path doubles the opening that the arc     needs to jump to keep the current flowing.
    Now to see what others have answered, and then go to sleep. :-)
    Enjoy,         DoN.
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853. Firing pin
854. For shaping and cutting dough or pasta into strings.
855. Metal shears for notching and cutting plate.
856. No idea. Looks a bit like the side of a heatsink.
857. 0"- 0.250" stand mounted dial gauge for thickness testing. The flat anvils indicate it would be ideal for measuring wire rather than sheet.
858. Bottle corker
859. Electromagnetic relay or bell. -- Dave Baker Puma Race Engines www.pumaracing.co.uk Camp USA engineer minces about for high performance specialist (4,4,7)
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On Fri, 22 Dec 2006 09:23:29 -0000, "Dave Baker"

My first thought was for a firing pin too (as several others have suggested), but...
The business end looks like one used for a rimfire, but wouldn't a rimfire pin be offset to hit the rim? This one looks to be centered.
Most firing pins I have seen are longer in the narrow striking area. There wouldn't be a whole lot of room behind this one for the bolt to contain pressure.
Just some thoughts, I don't have a better answer...
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Actually, by definition 857 IS a micrometer. So is your example. So is an instrument that measures small increments of ANGLE. Lots of things qualify as "micrometer"
http://www.answers.com/topic/micrometer
Bill
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... which says "especially one based on the rotation of a finely threaded screw". That's the only definition of micrometer that an engineer would understand. Dictionary definitions are all well and good but many of them are either too new to be in common usage or too old and no longer in common usage. To an engineer a micrometer has a thimble and anvil and a dial gauge has ummm... a dial. -- Dave Baker Puma Race Engines www.pumaracing.co.uk Camp USA engineer minces about for high performance specialist (4,4,7)
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    I agree. In the field in which that instrument was used, it would not be called a "micrometer". "dial thickness gauge" would be the most likely term. It has a lower range, and requires less skill to read than a micrometer would. That covers 1/4th of the range of the typical micrometer.
    Enjoy,         DoN.
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Early yesterday morning I changed my answer to "thickness gauge", I agree that micrometer wasn't the best description for it, though some tools go by several different names depending on where you live, so I tend to be more concerned about the use for a tool than what it's called.
I also modified my answer for the firing pin, and added the link below that explains rimfire ammunition:
http://en.wikipedia.org/wiki/Rimfire
Rob
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    O.K. I have no experience with disassembling a Krag (which I thought used a centerfire cartridge, and this is for rimfire from the shape), but I do know that at least it is *not* the firing pin for the HILTI model DX-350, which I have, and which I just disassembled to refresh my memory. I don't know how many other models of nailset guns HILTI may have made.
    I do agree that it is probably a firing pin for some flavor of rimfire weapon.

    O.K. Thanks,         DoN.
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853. I think it's a firing pin for a Gatling gun. Have not found a picture of the exact part, but Gatlings original patent (36,836) shows the pin for a percussion version. It is NOT the firing pin for a Krag.
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Thanks, I took the Krag reference off of the answer page.
Update on number 854: thanks to Leon for finding the patent number for it, meat tenderizer was the correct answer:
http://www.google.com/patents?vid=USPAT1577036
Rob
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