However it would seem to me that theodolites would be more practical for that use, and they were in common use in the 1700s
Finally a couple I recognize.
The first item is a portable binnacle box for small vessels not permanantly equipped with them inthe old days.
I have one but it also has a box top that fits over it and has latches on the sides to hold the cover on.
The cover also has a handle to carry it by.
They would be mounted on a pedastal similar to the binnacle on an old sailing ship, or eve more modern vessels.
The other piece with the handle on top is the companion light that is shaded to allow a bit of light on the compass but not destroy the night vision.
I have also seen that pliers looking gadget. Our electrians all had one to bend heavy gage wire. Not sure if that is what it is for but it sure worked good.
dueling purposes (ensuring neither side has the advantage of the wind), considering the two pistols; you wouldn't need the compass for that, though.
Thanks, that's a good link. I used it on the answer page since it's the closest I've seen to the set on my site.
Rob
Thanks for the link, though I have to admit I was disappointed when I went to Google maps and found the Circleville wasn't laid out in a circle, then I went back and reread the page where it said that it "derives its name from the fact that the original town was laid out within a circular enclosure, formed by a high embankment, that was found here when the first settlement was made." I really expected a circular street with straight roads radiating out from it, seems like false advertising to me.;-)
Rob
You guys are good, with one exception.
The ice card was hung in the window. That way the iceman could see it from down in the street. Even if he could not read the numbers, if his eyes were going, or you were on the fourth floor, he coould see the color, knowing that red was 20 lb, etc.
You DO remember how Jack Benny described his eyes, don't you? "Blue. Bluer than the right shoulder of a left-handed iceman."
Probably in reference to the poor schlub who had to haul sixty pounds up three flights of stairs, at every third house in south Chicago.
Flash
Item 1470 is definitely a jack and could be used for a number of purposes. The item is exactly like the machinery jacks I use to set up odd shaped parts on a machine so they can be cut except that mine don't have the fancy designs on them.
John
I have a pair of "Machinists Jacks" that belonged to my wife's grandfather. When not extended, they are about 1.5" tall.
Ed
1-1/4" is good for 10 tons.
John Martin
Right after I hit send (and had thought about it a little bit) I figured I had WAY understated that number.
Ed
[ ... ]
Were those the ones made by Starrett? They had two sizes, with the 1-1/2" one being the smaller. The came with two screws -- one with a conical point, and the other with a tilting pad on a ball. The top just above the thread was square, with two holes at right angles going through the square for tommy-bars for actually adjusting them. They also had (in the full set) a cylindrical spacer to extend the height, another such spacer with a 'V' in the bottom to place over a round rod, and a third one with a blunt chisel to fit into a V.
Check out eBay auction # 220315381867 for a good set of photos of a pair of them.
Of course -- Starrett was not the only maker, just the most popular -- and they were shop made as well.
They were used on shapers, mills, and planers to support an irregular casting so the surface to be cut would be parallel to the travel of the cutter.
Enjoy, DoN.
It's a General No. 7. Lo and behold, they are still made:
Ed
564
Harbor Freight sold a similar pair of jacks. While not great quality, have worked well enough in my home shop for many years.
"They couldn't hit an elephant at this dist..." Maj. Gen. John Sedgewick, killed by a sniper in 1864 at the battle of Spotsylvania
My Dad had a couple of those, which I suspect either came with the house or were WWII surplus. One corner of the house stood on a couple of them for a few years. Mostly rust the last time I saw them though.
The house was resting on 2" tall machinists jacks???
why didnt he use 2x4s?
Gunner
"They couldn't hit an elephant at this dist..." Maj. Gen. John Sedgewick, killed by a sniper in 1864 at the battle of Spotsylvania
These ones were about three feet tall.
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