From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Cost analysis and expenditure report for Heating and Lighting at the Derby Works.
| Identifier | ExFiles\Box 74\1\ scan0005 | |
| Date | 17th December 1908 | |
| Mr De Looze 17 Dec/08. Heating & Lighting. Derby Works Capital expenditure to Oct 31/08 :- Lighting 636. 5. 5 Heating 353. 11. 4 exclusive of Boilers 177-11-0 1167 . 7 . 9 Area occupied = 1 acre; cost per sq: yard: . about 4/10 Revenue expenditure. For 6 months. May/Oct. - ie. Works practically in full operation 690-17-6 Approx cost per annum is therefore approximately £1380 Revenue expenditure per sq yd on area occupied - per annum is therefore - approx. 6/2 Ground rents, on plots preserved F plot. 3 acres at £20 per annum per acre A " 4 Do Do Ground rent per sq: yd per annum is therefore .99 or approx one penny Depreciation on buildings Value £ 11958 - Deprec 2 1/2 % = £298. 19. 0 d per an per sq yd per annum = 1/2.77 - or 1/3 d CEJ/17/12/08 | ||