Rare Pre-WWII Japanese RECTUS Master Precision Machinist Square Frame Level – with Original Matching Wood Case (Kobayashi Sutejiro Shoten, Tokyo City)Overview:Up for sale is an incredibly rare piece of industrial history: a vintage RECTUS Master Precision Square Frame Level, manufactured in Japan prior to 1943. This high-precision toolmaker’s instrument comes complete with its original, custom-fitted wooden storage box featuring historical maker plates.