Object of Interest: Coach Clocks

Coach clocks were, in principle, enlarged pocket watches with a diameter of 9 to 12 cm. However, a clock to take with you on a journey by carriage had to provide some special features. First of all, it had to be robust against the bumps of the road. That’s why coach clocks were kept in padded protective cases made of copper or brass, often covered with fine leather. The metalwork of the case was done in delicate broken ornaments to allow the sound of the mechanism to penetrate. Continue reading

Object of Interest: The Columbian Printing Press

The American engineer George Clymer invented the Columbian printing press in 1813. It was one of the first iron printing presses, and it was in part inspired by the Stanhope press.

The Columbian printing press cost $400, more than twice the price of a conventional wooden press – and too much for the American market. So Clymer moved to London in 1817. Here, he made a success of his press-manufacturing business. Continue reading