the big T framing square allows a 1 ft on one side and the 2 ft on the other side with the benies of a 4 ft ruler.
On Mon, 29 Dec 2008, Bob Kennedy wrote: > A combination square is most likely not something you'll be able to make > yourself. They are available from any of the home centers and the price > ranges from inexpensive and that often means cheap, all the way up to ones > made by Starrett for over $100. > > The tool is usually a 1 foot steel ruler that can double as a straight edge. > In the center of the ruler, on the flat side is a groove. A finger fits in > this groove and allows you to slide the head along the length of the ruler. > There is a tension knob that holds the head in place and when you have > reached the position along the ruler you want, tightening the knob will hold > it in place. > > Most have a head with a flat side, and a 45 degree angle on the other side. > In the middle of the head is a level most of us can't use, and on the end is > a steel scribe you can use for marking. > > My favorite is a model I hadn't seen until recently. Instead of a flat and > angle it has 2 flat sides. This way you can measure from either direction > without having to flip it over. Sometimes it just works better and I don't > use the 45 degree angle to measure with on the combination square. > > The marking gauge is a tool that has a scribe sticking out on one end. The > other end has a piece that slides and there is a screw you twist to lock it > in place. I've never cared much for them myself so maybe others can tell you > more about them. > > > ----- Original Message ----- > From: Keith Christian > To: [email protected] > Sent: Monday, December 29, 2008 10:30 PM > Subject: [BlindHandyMan] Measuring devices > > > Hi Ray, > > I am not familiar with a scribing block or a combination square? Are > they tools that you made? I get the idea that they are telescoping rods > with a nut on them to stop them from moving in or out. Sounds like > something I could make with copper tubing and a clamp. > > Good ideas. Thanks, > > Keith > > Posted by: "Ray Boyce" [email protected] > Date: Mon Dec 29, 2008 3:46 pm ((PST)) > > What I use for small jobs for example when I am cutting off multiple > lengths of the same length is the good old wooden scribing block. > > You can move the stem in or out and lock it off with the tightening > screw. > > Or you can use the combination square again locking it off at the > desired length. > > For larger jobs use a tape measure but buy one with the best locking > mechanism you can find, but after locking it off at the desired length > put your fingers down over the tape so it does not move in or out while > transferring it to the wood or steel to be cut. > > Another device I use is a curtain track which opens out to 12 feet and > slides inside each other very tightly. > > You can slide it out to the length required and again transfer it to the > piece to be cut. > > Look around your home or workshop and adapt whatever you have to do the > job. > > It is amazing what you can come up with. > > Ray > > > > > > [Non-text portions of this message have been removed] > >
