No. 38 Calculation of Mr. Anstices’ rotative engine by D. Rose March 17, 1799.
No. 39 Brick machines April, 1794.
No. 40 Sketch of a river Mill by W. R. improved by—
No. 41 A new method of boring as used by T. Price at the Brownhill Colliery.
No. 42 Original letter by R. Reynolds describing Blakey’s fire engine for raising water for furnaces at Horsehay and Ketley, and one of which had been erected at the Dale, with Sketch. Letter dated Dale 6, 1st month, 1767.
No. 43 Prospective view of Donnington Wood incline plane and engine by William Minor Sept. 12 1793
No. 44 Engine with crank, Richard Speed, June 4, 1796.
No. 45 Plan for an Aqueduct over a river, Thomas Telford, March, 1794, with span of 100 feet.
No. 46 Copy for Fire engine from Emerson’s Engine for raising water.
No. 47 J. Wilkinson’s Idea of Chimney Boiler given by him to W. R. November, 1799.