Antique Pneumatic Temperature Regulation Panel by Johnson vintage simulators This antique engine cutaway was

This antique engine cutaway was brought to our collection from a Ukranian dealer and may have European origin

Rows of hand-set steel pins deflect the balls as they descend

Re-Flec-To-Graph Sign Co

Blocks of this kind were used by newspapers and theatre presses to print advertisements and playbills

The embellishments on the top and bottom are also of painted metal construction and boast a bright

Antique Pneumatic Temperature Regulation Panel by Johnson vintage simulators This antique engine cutaway wasc. 1910s 1930s; Johnson Service Company New York A handsome early pneumatic control panel from the Johnson System of automatic temperature regulation one of the foundational technologies that shaped modern HVAC control. Housed in a solid wood case with dovetailed construction, the panel incorporates a large Johnson Service Company air pressure gauge, two manual dial controls labeled Open and Closed, and a metal maker's plate detailing the system's