Mahogany Longcase Regulator by Robert Bryson Edinburgh Circa 1830

Ref: 1136


Observatory standard mahogany longcase regulator by Robert Bryson Edinburgh Circa 1830.

One of the finest regulators I have handled with a movement of exceptional quality by the hand of a master clockmaker.

The shouldered and footed plates of the movement are of very heavy gauge and have 4 double screwed pillars. The delicate wheelwork is of extremely high count and the wheels have six or seven crossings. The large span pallets are jewelled as are the escape wheel and escapement arbours. The ingenious forked crutch requires only 1 banking pin

The barrel has a beautifully made stop work lever and a nicely detailed maintaining power detent.

The movement is bolted down by means of brass plates to a heavy cast iron support with a separate pendulum support that has integral beat setting with a locking mechanism.

The pendulum is an example of Dent’s steel jar with mercury compensation and incorporates a rating pointer that extends to also act as a beat indicator.

The extremely clear and finely engraved dial is of regulator format with a double 12 hour dial indicating that it was a mean time regulator within an observatory.

The mahogany flat topped case is of the finest construction and from the hand of a master cabinet maker.

I cannot praise the workmanship of this regulator highly enough, please contact me for further images that illustrate the virtuosity and quality of Robert Bryson’s clockmaking skills.

Height: 6’3″
Width: 16″
Depth: 10″
Dial Diameter: 12″

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