“Use it up, wear it out, make it do, or do without.”

     It's the actual dial of an actual instrument in an actual panel in the "bridge" -- a coat-closet for two with meters, monitors, keyboards and clutter -- of an actual Far Edge Glocke-ship, a little smuggler's bell.

     They won't let visitors anywhere near the Stardrive core; the Edger bag of 'Drive tricks is still a well-tended secret that no starship crewperson or owner has ever let slip, but aside from that they're happy to do the visiting firemen thing and swap only slightly-exaggerated yarns of close calls and wartime desperation and/or bravery.  But dang--  That's some old stuff.