| July/August 1967

Star Rte. 2, Gunnison, Colorado 81230

It is said that there are three signs of old age. The first is loss of memory, and I forgot the other two. At any rate, in my last article, discussing the operation of automatic valves and their locking devices, I forgot to mention that a major function of the intake valve lock is to hold the intake valve shut during the time the exhaust valve is held open when the engine is on the 'miss' cycles of the hit and miss operation. Fortunately, T. H. Kreuger explained this very well in the same issue. So my thanks to him for explaining this most important function of the valve lock.

For any of you that have the good fortune of being able to attend Canada's Expo 67, I understand Otto's first four-cycle engine is on display in the West Germany Pavilion. I presume this is the same engine that obtained for Dr. N. August Otto the Gold Medal at the Paris Exhibition in 1867 - one hundred years ago. I'll try to obtain more information on this for future publication.

Some time ago I asked for information on the Temple Gas Engine. Right away Rowland H. Moore of Grove City, Pa., sent an ad from the Oct. 10, 1909 American Agriculturist. This ad was for the 'Master Workman' engine, advertised to run on one cylinder for light work and two cylinders for heavier work. They called the inverted-vertical design the 'true principle' in that it was self oiling, all downward by gravity with no 'forced' oiling like others. Coolest running, because coldest water strikes warmest part first. The explosions are upwards against weight, thus causing the least vibration. The valves were removable without tearing down the engine. It was built in models 5 to 50 HP with under 5 HP models being single cylinder. The Master Workman was built by the Temple Engine Mfg. Co., 1508 Canal St., Chicago, 111. Do any of you have a picture of the single cylinder model?

The Master Workman '2 in 1' Engine built by Temple Engine Mfg. Co., Chicago, III.


M. H. Seibert writes that he has obtained two Weaver and Wittle engines. He states that Weaver and Wittle built engines about 1905-06-08 at Lebanon, Pa., and that Mr. Wittle is still living at 78 years. The engine is known as the 'Nancy'. How about an article on this engine, Dick? Dick also has a small unidentified engine he'd like to know the name of. Can you help him? (See pictures).


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