B64-572. GRAVITY INCLINOMETER. Melick Patent. Wooden versions of William Melick's inclinometer are less rare than the cast iron mantleclock version but still uncommon. This is a nice one with the red japanning on the vial surround intact, 18" mahogany laminated stock very clean, with a level vial which is uncommon, smoothly working mechanism, dial and pointer near mint. Condition: Fine, Estimate: 300-500