Ingersoll
Updated 21 January 2015.
Ingersoll synchronous clocks were made by Ingersoll Ltd, Ingersoll Building, St John Street, London EC1.
For more information on a clock see POOK L P. British domestic synchronous clock. The rise and fall of a technology. Springer, 2015.
May 3, 2013 at 2:26 am |
There is definately a lot to learn about this subject.
I like all of the points you’ve made.