For use as replacement clock in Barton, American Meter, Foxboro, Bristol, British Rototherm and other gas flow/pressure recorders.

Model: 820R006 Sonceboz Chart Drive Pear-shaped Mounting Plate (Bristol Model)
Time Rotations:  OFF, 60M, 96M, 12H, 1D, 2D, 7D, 8D, 14D, 16D, 31D, 32D (CCW)
Temperature Range: -40°F to 140°F
Power: Battery Operated UL and CUL approved