SHIP? TRAIN? POWERED RECORDER. THE SCHAEFFER BUDENBERG COMPANY was founded in Prussia in 1918. Now based in Irlam, Salford.  Can't seem to find any matches or information on this thermometer.  Has BOTH SCHAEFFER BUDENBERG and GENERAL ELECTRIC  on the dial. Seems to have had some electrical connection. Has a CAST BRASS housing, Cast SOLID BRASS BACK PLATE.  Does Slightly move with ambient temperature increases.  Not sure if it requires electrical current to function. Sold in AS IS Condition.  Definitely a RARE Piece. Please offer any information if you can. Please see ALL Pictures as they are a HUGE part of the description.  Feel free to ask any questions PRIOR to purchase.  QUICK SHIPPING,  and PERFECT PACKAGING as always,  and Thanks for Looking!