posted on November 19, 2000 08:47:41 AM new
I sell alot of instruments and strange tools and once in awhile I come across things that I do not know exactly what they are. I acquired this from a thrift store and i've tried 3 times to sell it, with no success. In my auction page I have advertised it as a deflection gage, but I do not know that that is what it actually is. It has the word "Tumico" printed on the dial. Do you know what this thingy is.
posted on November 19, 2000 10:14:20 AM new
Hard to tell, pictures are fuzzy, need more description of what moves and what happens;
BUT it looks like a type of "dial test indicator". IF SO the instrument is held and the "arm" is moved in relation to the surface of an object (like a rough spot on a piece of metal) the "arm" moves when the imperfections in the metal "bumps" it and the reading for how much of a "bump" is shown on the dial. Just a semi-educated guess...
posted on November 19, 2000 12:14:37 PM new
On the dial it reads SCHERR TUMICO, RELEASE GENTLY, GRAMMES, MADE IN FRANCE all in capitol letters (i'm not shouting). The dial reads from 0 to 30 in both directions. When you move the arm the dial moves the needle pictured at the top and this needle contacts and moves the needle pictured at about 25 right. It also has 2 manual moving indicators that I assume are for tracking previous deflections. I took off the back cover and it has a real simple mechanism in it and it has a date stamp of NOV. 1957. Sorry for the fuzzyness of my image, I can't do micro photography with my camera.
posted on November 19, 2000 12:28:48 PM new
Looks like an indicator that would be used in conjuction with a V-Block and a stand to measure the "drop" between a primary and secondary angle on a cutting tool.
Does the stylus have a ball on it? Does it look like you would be able to change the stylus?
posted on November 19, 2000 02:26:32 PM new
It may be a spring tester. The needle would measure deflection force, and the various pointers would allow you to record maximum readings and set calibration points.
My first thought was a dial test indicator too, but DTIs are almost always scaled in thousands, half thousands, or (rarely) in ten-thousandths, or metric equivalents.
Scherr-Tumico is a manufacturer of precision measuring equipment. They're still in business, so you could probably call them and get more information about what you've got. Their phone number is 800-798-3531.
posted on November 19, 2000 03:05:45 PM new
Toollady, It appears as if the stylus arm is not detacheable and yes it does appear to have a ball or a slight roundness at the end of it.
Thanks aley, i'll call them and ask what this thingy is.
