Here is a Speed Indicator patented by Greene, Tweed & Company November 22, 1892. The nickel plating is intact, and the attached bell rings every 100 revolutions. The presentation box it came in is labeled "With James Kowden's Compliments" At this point in Greene, Tweed's long history (from 1863 to the present) they made tools, graphite packings, hammers, cast brass hinges and drawer pulls, speed indicators, and coal furnace clocks.