| Title | D: Agreement for piece work with Joseph Croft Jr. for cylinders, air pumps and condensers in pits and loam, cylinder tops, pistons and bottoms in loam, iron beams and connecting rods in dry sand, 16 Jul. 1802; calculations of the expense of moulding; tables of weights of items cast; examination of Stephens and Webster’s account for 1808 to 1810; Croft’s proposal for chipping, weighing and doing extra work about the cylinders etc.; Croft’s proposal for moulding cylinders by the piece, 26 Nov. 1801; estimate of the amount of wages in moulding and casting cylinders, 6 Mar. 1802; calculation of the risk of waster cylinders; list of piece prices; time and cost of moulding tar condensers for gas light apparatus; calculations for moulding air vessels, working barrels, clack seats for large pumps, suction pipes, steam cases, blowing cylinders, entablature plates, heating vessels, coining presses for the Brazil Mint, etc.; Croft’s observations on prices offered him for large cast iron beams; time and cost of moulding large cylinders on the new plan, Mar. 1811; time and cost of moulding cylinders by Stephens and Webster, 1 Apr. 1810; moulding connecting rods, etc., 1801—1815 (54 items). |