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Sequential timer programmer

2012

Electro/ Mechanical timer from the Midgley Exhibition

circa 1948

Laminal lab time switch (cigarette lighter and ash tray)

1951

Non-exhibition time switch, c.1950.

circa 1950

Electro/ Mechanical timer from the Midgley Exhibition

circa 1948

Trico time switch for controlling flashing light t

circa 1950

Automatic timer mechanism for lowering semaphore and traffic indicators

circa 1950

Sand timer

1920-1960

X-ray film developing timing clock

Sequential timer programmer

2012

Sequential timer programmer

2012

Sequential timer programmer

2012

Occultation reaction timer

1950-1975

Trico Folberth time switch. c.1950.

circa 1950

Trico time switch, TSC 2 24V. c.1955.

circa 1955

Sand timer

1920-1960

Timer of 12 hours duration with tic-tac escapement, stamped with monogram AR (? Antoine Redier) and Brevete A Paris. Mid 19th century.

12 hour time with tic-tac escapement

X-Ray exposure timer. Timing 1/20 seconds to 10 seconds.

X-Ray exposure timer. Timing 1/20 seconds to 10 seconds

'Randomiser', non-sequential timer programmer developed and built by Dr. Jack Tait, 2020-2023

'Randomiser' Non-Sequential Timer Programmer developed and built by Dr. Jack Tait

2020-2023

2 Smiths interval timers.

Two Smiths Interval Timers

Timer, for use during electrotherapeutic treatment, by A. Gaiffe, Paris, 1890-1910, owned by Dr. A. Bruce, Edinburgh, 1890-1910

Timer, for use during electrotherapeutic treatment

1890-1910

Venner Automatic Timer 8551. 1950.

Venner Automatic Timer 8551. 1950.

1950