CHAPTER XII.
Watt’s house, Harper’s Hill--First order for engines--Boulton’s activity--The London engineers prophesy the failure of Watt’s engine--Watt revisits Glasgow--His second marriage--Terms of partnership between Boulton and Watt--Orders from Scotland for engines--Boulton pressed with work and anxiety--Watt returns to Soho with his wife--Order for engine for Tingtang and Chacewater mines, Cornwall--Watt and the Shadwell Waterworks Committee--Stratford-le-Bow engine--Difficulties with workmen at Soho, and with unskilled enginemen--Expansive working 214–229