This rare plumb bob was used for surveying in mines. The hollow body would be filled with fuel and the wick would be lighted. Then the surveyor could sight on the flame. It is in excellent condition retaining most of the original anodized finish. The body is 4 1/4 tall by 1 7/8 in diameter. The gimbal ring is 3 in diameter. The original chains and hanging hook are approx. 39 long. The case is 3 5/8 square by 6 5/8 tall. It is in solid condition but most of the carrying strap is missing--only the parts that were fastened to the case remain. The plate on the front is from the Hughes Owens Co., a retailer of surveying instruments with stores in the larger Canadian cities.''
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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