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  1. #1
    Join Date
    Aug 2007
    Posts
    3

    Default What is this Tool?

    Could someone please tell me what this tool is and what it is used for?
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  2. #2
    Join Date
    Aug 2007
    Posts
    1

    Default Re: What is this Tool?

    if that is a lens on on there it is probably a sextant.if not it is prabably an angle finder

  3. #3
    Join Date
    Aug 2007
    Posts
    3

    Default Re: What is this Tool?

    It has a leveling bubble and seem to be some kind of level for angles.

  4. #4
    Join Date
    Sep 2007
    Location
    BC, Canada
    Posts
    1

    Default Re: What is this tool?

    I have one of these angle things as well... Could have been used to set up equipment back in the day. Mine is graduated in GRAD and RADS. I'm still looking to see what they are used for.

  5. #5
    Join Date
    Aug 2007
    Location
    Georgia
    Posts
    150

    Default Re: What is this tool?

    Look it over well and see if there is a name or model number. Then, do a search for that and see what you find.

  6. #6
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: What is this tool?

    It certainly appears to be used for finding angles.

    If the units are in Grads ( Gradians ) and Rads ( Radians ) seems to indicate this a device used in surveying.

    Just a guess.

  7. #7
    Join Date
    Aug 2008
    Posts
    1

    Default Re: What is this Tool?

    Quote Originally Posted by vandy View Post
    Could someone please tell me what this tool is and what it is used for?
    I don't know the name but it is used in the timber/logging industry to calculate the slope of a mountain. My dad gave me his and he was a forester.
    Last edited by toast; 08-02-2008 at 02:58 AM. Reason: added stuff

  8. #8
    Join Date
    Oct 2009
    Posts
    3

    Default Re: What is this tool?

    A tool used to measure the angle of a slope is called an inclinometer or clinometer.

  9. #9
    Join Date
    Sep 2011
    Posts
    1

    Default Re: What is this tool?

    I think the term inclineometer is correct. It is used to determine angle or slope measured in degrees. They saw widespread use in many different industries. It could be used to determine of existing slope or angle or it could be used to set a new angle as in construction. I saw them in use as late as the 1960s.they are probably still in use all over the world.
    Last edited by garyg; 09-15-2011 at 02:49 PM. Reason: i left out something i ment to say

  10. #10
    Join Date
    May 2008
    Location
    Pacific Northwet
    Posts
    1,361

    Default Re: What is this tool?

    Well, it's certainly not a sextant. A sextant, by definition, must have a range of 1/6 of a circle, or 60 degrees. This is more like a quadrant, being it is 1/4 of a circle, or 90 degrees (and it is graduated in degrees). Both quadrants and sextants are intended for determining the height, or angle, of the sun above the horizon for use in marine navigation. A quadrant is usually a simpler device comprised of a plumb bob and an angle finder; a sextant (a later invention) generally adds a sight glass.

    But I don't think it's a quadrant, either. Since it features a spirit level on the movable part and a large, flat base, it appears to be a clinometer for measuring the angle of a hard, smooth surface such as a roof.
    The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.

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