-------------------------------+-----------------------------------+ | Direct Alternating | | Transformer System. | -------------------------------+-----------------+-----------------+ _Materials_— | £ _s._ _d._ | £ _s._ _d._ | Coals: 4,380 tons at 17_s._ | 3,723 0 0 | | ” 2,550 ” 17_s._ | · · | | Oil, water, and petty stores: | | | 1,500 hours at 7_s._ 6_d._ | | | 7,250 hours at 1_s._ | 925 0 0 | | 1,400 hours at 5_s._ | · · | | Total cost of material +-----------------+ 4,648 0 0 | | | | _Labour_— | | | 2 foreman drivers at 45_s._; | | | 6 drivers at 30_s._; | | | 9 firemen at 24_s._; | | | sundry labour | 1,388 8 0 | | | | | 1 foreman driver at 45_s._; | | | 2 drivers at 30_s._; | | | 3 firemen at 24_s._; | | | sundry labour | | | | | | _Salaries_— | | | 1 chief at £500; | | | 2 assistants at £200 each; | | | 4 clerks at £80 each | 1,220 0 0 | | | | | 1 chief at £500; | | | 1 assistant at £200; | | | 4 clerks at £80 each | · · | | +-----------------+ 2,608 8 0 | _Maintenance of Plant_— | | | Motive power and dynamos: | | | 10 per cent. on £18,010 | 1,801 0 0 | | 10 per cent. on £13,400 | · · | | Buildings and fittings: | | | 5 per cent. on £11,000 | 550 0 0 | | 5 per cent. on £8,000 | · · | | Transformers: | | |