Anon 
Encyclopaedia of Famous Clock and Watchmakers – Details of Famous and World Renowned Watch and Clock Makers 

This little book contains an alphabetical list of world famous watch and clock makers. Each entry signifies the period when the person referred to was connected with the Clockmaker’s Company, or known to be in business, or when some example of their work was made. Following the names and addresses of some makers is a description of their work which has been met with, or of some invention or distinguishing trait.