Unknown W. & L.E. Gurley
Three of the four sections are 24" long, the other is 22 1/2"
Each section has a male and female threaded end, the female ends marked with three rings. The tube is about 1/2"  in diameter and seems to be nickle plated.
When threaded together, the total length is about 95"
Each rod has three rings at the center, with two rings 5 divisions to each side of the center marks.
"W. & L. E. Gurley Troy N. Y. U.S.A."
3 cm/div (1-3/16")


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