Mechanisms — isochronism

Recent Blogs

Pendulum Escapement diagram
Pendulum Escapement Mechanism: How It Works, Parts, Diagram, and Formula Explained
How a Pendulum Escapement works, with formulas, worked examples, and tradeoffs against verge and gravity escapements for clockmakers and restorers.
Pendulum (general) diagram
Pendulum (general) Mechanism Explained: How It Works, Parts, Formula & Diagram
How a pendulum works, the period formula, and real horological applications — with worked examples, tolerances, and diagnostic checks for clock builders.
Fusee (form) diagram
Fusee (form) Mechanism: How It Works, Parts, Diagram, and Uses in Watches and Chronometers
How a Fusee equalises mainspring torque in pocket watches and marine chronometers — geometry, formula, worked example, and selection guide for restorers.
Hairspring diagram
Hairspring Mechanism Explained: How It Works, Parts, Diagram, and Watch Oscillator Formula
How a hairspring works in mechanical watches and instruments — geometry, isochronism, balance regulation, and real-world tolerances from horology and aerospace.
Balance Wheel diagram
Balance Wheel Mechanism: How It Works, Hairspring Oscillator Diagram, Parts and Formula
Balance wheel explained — how the oscillating wheel and hairspring regulate watch movements, with formulas, tradeoffs, and real horology examples.