Sand glass timer

log glass

Log glass, probably English, c. 1860, 14 seconds; one piece globular bottle, black sand filled, cloth-covered cork stopper; frame 4-1/2" long, disc ends 2-7/8" diam.; 4 turned spindles; loose; sand adhering to glass; accurate nonetheless; ref: Brewington, Navigating Instruments, #226. See 1967.364.