Antiq. Combined level inclinometer Railroad EDWARD HELB

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EARLY GRADE FINDER .. EDWARD HELB FROM RAILROAD ,IN YORK COUNTY ,PENNSYLVANIA . ALL GLASS AND LEVELS INTACT . WORKING CONDITION , STEEL WOOL AND SCRATCH COVER IT WILL CLEAN UP AND DISPLAY VERY WELL IN COLLECTION 12.00 TO SHIP THIS US PATENT 7/12/1904 CANADIAN PATENT 12/20-1904 .. PATINA ON BRASS SCRATCHED MINIMALLY ,, BEAUTIFUL PIECE OF AMERICANA TOOLS . SORRY UNCLEANED CONDITION .. IT HAS NOT BEEN DROPPED .. ITS NEEDS THE LEVELS SET AND A GOOD CLEANING TO BE PERFECT .. T ARE NO HIGH STARTS FOR ME .. I AM HONEST AND HOPEFULLY NOT TOO VAGUE IN MY DESCRIPTIONS .. PLEASE EMAIL ME WITH YOUR QUESTIONS .. ITS STRAIGHT AS A RAIL ... CHEERS MARK It will be noted that all of these levels were patented and manufactured by small entrepreneurs located outside of the toolmaking hubs of New England. Neither Stanley nor Starrett ever manufactured a gravity inclinometer of this type. Perhaps the most successful of the rotating-needle type inclinometers - at least in terms of surviving examples - was Edward Helb's "Combined Level and Grade Finder" patented in 1904. Helb's device, (figure 7) which was manufactured in Railroad, Pennsylvania, and is often mistakenly identified as a tool used primarily in laying railroad tracks, used a simple rotating needle against a cardboard scale functionally identical to Porter's. However, it had a much more elaborate read more

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