A light treatise on; recoil escapements, Graham dead-beat escapements, pin-pallet escapements and Brocot escapements. Also, clocks out of beat and remontoire escapements.

In the last 20 years the type of client I used to deal with was of; quality, discernment, historically and artistic awareness, today those individuals have passed leaving me cheap, unaware, disrespectful, disposable type social-media warped personalities.

Energy is sometimes robbed from a pendulum assembly, by the shape of the bob and the lack of air cutting ability of the pendulum assembly in its general shape.

Barometric error and suspension spring designing will be analyzed.

Analysis of a strong pendulum support, regulation of time, regulation by weights, wooden rods.

Descriptions of pendulum theory are explored and finishing with theory of the complete pendulum assembly; the bob, rod , block, tongue, cock and suspension.

We explore time the measurement of seconds, minutes, hours and days relating the solar system’s rotation. We also examine sidereal, solar , the equation of time and the time zones.

We will explore amateur quadrants, William Oughtred and his designs and a dial by Elias Allen.

After Cole, the flood gates opened and entrepreneurship flourished in instrument manufacturing for the aristocracy and the commoner while simultaneously mathematics education was on the cusp booming.

Londons wealthy merchant class and bankers promoted scientific instrument making helping it to obtain world dominance in science and navigation.