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A general history of inland navigation, foreign and domestic : containing a complete account of the canals already executed in England, with considerations on those projected, to which are added, practical observations / by J. Phillips
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INLAND- NAVIGATION.

127

goes out. As I collected my information from a master of one of theiron works, I hope it will appear that I have considerably under-doneit rather than over-done it. I shall, therefore, next Ihew the num-ber of tons coming in weekly and yearly, and going out.

Six furnaces, computed to turn yearly each - - £. 80,000

Two ditto omitted.

Twelve large iron forges, computed to turn yearly each - 12,000

Two ditto omitted.

£. 624,000

“ The weekly consumption of the fix furnaces and twelve forgesbefore mentioned, is, on a medium,

Tons of ore brought in, and pig iron - - ' 467

Ditto of iron manufactured going out weekly - - 252

Ditto of pit coal used weekly - - 237

Ditto of charcoal used weekly - - - - 59

“ The above totals, multiplied by 52, make the yearly consumptionas follows:

Tons yearly brought into the above furnaces and forges - 24,284

Ditto yearly going out manufactured - - - 13,104

Ditto yearly consumption of pit coals - 12,324

Ditto yearly consumption of charcoal - - - 3,068.

N. B. There are many more iron works that He within distance.

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