Ruler Confusion To the Editor: I would appreciate it if someone could help me find a more convenient ruler for use with house plans. I'd like a flat ruler that has just one scale, 1/4 inch equals 1 foot, on both sides. I have not been able to find such a ruler. My present ruler does have the 1/4- inch scale, but my problem is that it also has five other scales, one on each side of each of its three edges. Every time I pick it up, I have to find the correct scale before I can use it. While working over drawings, I probably set my ruler down, and then pick it up again, 20