I'm w/ Tom. The progressives have an "hour glass" shaped region where they are useful, with the spaces off to the sides not working. With a progressive, I had to move my head from side to side as I read, as the "correct" prescription was only on a narrow spot in front of my eyes. That just didn't work for me. The lined bi-focal is better, for me, since the two correct lenses go all the way across. Of course, there are only two correct lenses, good for only two distances and right now the distances are changing every couple of years. The progressives gave me lots of different distances to work with and a little more ability to keep them longer as my eyes got a little worse.
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Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
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