7202-086 BAKER-MCMILLEN CO. bench level. Based on James' 1904 patent, in which the vial is enclosed is a larger protective glass sleeve. Baker-McMillen used these vials in its wooden levels, but also sold them as stand alone bench levels with decorative fluted ends. Decent condition, some wear to plated ends, no interior label. Good+ (PLH2619) 200-300