B-468 GRAVITY INCLINOMETER. Hight Micrometer Level. Invented by Albert Hight of Cleveland, these are always marked "Patent Applied For" but no patent has ever been found. This is a decent example with both vials intact and good clean scale. As usual the common wood of which these are made has dings and scratches and one small crack, but above average.Good+ 250-450 NOTE: Absentee bidding ends 5:00pm EST on Friday, March 29, 2019. Live auction is at Camp Hill Radisson, 9:00am, March 30, 2019, Camp Hill, PA.