| Description | Thanks him for his prompt reply on the P.T and some financial information.
Discusses the slow popularisation of the istrument, the Direction part of it, and its practical use. Refers to the various workshops and what was produced in them.
Asks if he knows when the old external type of float was given up and the internal one made instead.
Discusses how the instrument in the study at Oxshott, which was certainly made by Munro, came to be made, and considers it wildly improbable tht their father did not have the first one sent to him for trial. |