21. The LP . The rotary dial phone. 22. :: : I don't know if I agree that rotary dial clocks will be in use forever. 23. Once a fixture on many corners, the pay phone has become as rare as a rotary dial . 24. The rotary dial phones seldom worked. 25. I used the most common dimmer type, a rotary dial controls made with a push button on-and-off feature. 26. :: : : Also, the siren controls I have seen used a rotary dial to select the tone. 27. This equipment originally consisted of two telegraph keys engaged by knife switches, and evolved into the rotary dial telephone. 28. Not long ago, I bought a telephone with a rotary dial at a garage sale and discovered something interesting. 29. A simple rotary dial with three designations-- 2wd, 4wd auto and 4wd low-- is situated on the center dash. 30. Chevron, Wedge ) or the way the bones are aligned ( Dial = old style rotary dial phone ).