This 30-hour shelf clock (hour strike) was manufactured by American clock-maker E. Ingraham and Co. in the 1870s. There are various iterations of the name over the maker’s history but this was the one the company used from 1861 to 1880. The clock was bought at auction in mid-March 2022 along with 3 other clocks. … More Refreshing an Ingraham “octagon top” 30-hour shelf clock – keep or sell?