1885 - Mechanical counter for RPMs of a shaft.
1887 - Looks like a cannon tamp. Used to tamp the powder and ball charge
in a cannon.
1888 - Adjustable stop of some type. Looks like whatever retained it has
1889 - Haberdashery tool?
1890 - Ice knife.
You've got the right idea but it's called an ice plow.
The answers can be seen at the link below although I'm still not sure about
a few of them this week:
Posting from Rec.crafts.metalworking as always:
1885) Another mechanical tachometer. (The diamond point
on the end of the shaft is the give-away, confirmed by the range
of the dials.)
(If possible) zero the pointers -- otherwise note the readings.
Hmm ... looks as though you can rotate the scales under the
pointers to zero it.
Stick the diamond pont into the center hole on the end of the
shaft and hold it there for sixty seconds, then withdraw it.
Note the new dial readings and you will have the RPM to three
significant digits -- x,xx0 RPM since you can read the 100s dial
to tens. How accurate your reading is is a function of your
reaction time, and how good the second hand on your watch is.
There was an earlier one in here made by Starrett (I have one of
these) which had concentric dials and a bump to feel to count
full revolutions of the slower dial.
1886) An early night watchman's station? Stick a special key into the
hole, turn it, and you have recorded that you were where you
were supposed to be when you were supposed to be there.
1887) Looks like a ramrod for a muzzle-loading cannon. Normally
they are wood, so you don't strike a spark while compressing
black powder in there -- but this one looks like aluminum, not
steel, so you are unlikely to strike a spark. Perhaps a modern
one for re-enactments?
1888) Looks sort of like an adjustable height foot for something
(perhaps leveling a camera or a transit), with a stop screw to
define one end of the adjustment.
Appears to be made of anodized aluminum, so it is fairly recent.
1889) Some kind of trap trigger? I would like to see *all* of it,
not the limited view we were given.
1890) An ice saw -- for converting a frozen over pond into a storeroom
full of ice insulated by sawdust to last through the summer?
Now to see what others have suggested.
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as if to reach somewhere besides foot level.
How about planing a groove in a soft mineral? Ibeams used to be
fireproofed with blocks of gypsum. Suppose gypsum blocks were not sold
with grooves to fit your ibeams. You'd use this tool.
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