| Description | 2 sheets. This letter has been removed from a scrapbook. Docketed “Upon the present construction of the water works at Chelsea and the quantity of water raised by the water wheels and engines. Plans of the company respecting the proposed new engine and quantity of water wanted to be raised by it. Visit with Mr. Simpson to Shadwell double engine. Method to be devised of preventing bangs in case a single engine without a regulating fly is adopted.” |