. Locomotive engineering : a practical journal of railway motive power and rolling stock . HiNCKD Diaphragm. corresponding lessening of the diameter.(Cut a strip of paper and fasten the twoends tightly to a board ; now lift the cen-ter. ) Rigid bolting at the circumference,working against natural laws, produced afractured head. The next move was tocorrugate the head, which, although animprovement, did not stop the trouble ; itmerely postponed the fracture. Aboutthis time the secret (a simple one) was dis-covered by E. A. Wood, of Utica, N. Y.,who overcame the trouble by flanging thecircumferen


. Locomotive engineering : a practical journal of railway motive power and rolling stock . HiNCKD Diaphragm. corresponding lessening of the diameter.(Cut a strip of paper and fasten the twoends tightly to a board ; now lift the cen-ter. ) Rigid bolting at the circumference,working against natural laws, produced afractured head. The next move was tocorrugate the head, which, although animprovement, did not stop the trouble ; itmerely postponed the fracture. Aboutthis time the secret (a simple one) was dis-covered by E. A. Wood, of Utica, N. Y.,who overcame the trouble by flanging thecircumference of the heads and fasteningat a point which acted as a hinge, andlocking the heads in an elastic band—a rad-ical departure. This capsule spring, being circular inform, has, by over-zealous competitors,been called one of the old diaphragmclass. The Bourdon tube originated inEurope, subsequently being adopted bymany gage-makers in America who hadbeen obliged to abandon their diaphragmgages. Mr. Woods patent was the founda-. iNTERioR Double Gage. tion of the Utica gage, and thirty yearsuse has proved its durability and Utica Steam Gage Co., 70-72 Fayettestreet, Utica, N. Y., controlled this patent,as well as subsequent improvements inprocess of manufacture, and they informus that some of these gages have been re-ceived after being in constant use twenty- five years, and found on test to be as accu-rate as a new gage. The Utica people inform us that they arenow turning out a gage movement to runon centers, making it most accurate and atsame time rigid and durable, reducing allfriction to the minimum. We have .securedcuts from the Utica Company of several oftheir productions which we know will beinteresting. The standard locomotive gageis known as their No. 6, graduated usuallyto 260 lbs.; back flange measures 8-z THE UTICA .air-brake GAGE. This gage is designed to show the press-ure on train line, and at the same timethe pressure in the reservoir. It i


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892