Letter received by Banks from Lord Hawkesbury, 12 February1794 (Series 72.085) - No. 0002

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Export of Pot Ash from the Port of London only from the 5 Jan.y to the 10 Inst .t  has been Cwt 12.372.0.0
Ld. H. would be much obliged to Sr. Joseph Banks, if He will inform him whether He thinks that such a Process for obtaining Salt petre is practicable, or if He could refer him to any Chymist or Man of Science, who might be examined on this Subject.

Hertford Street

Feb.y 12.1794

1  .203.0.1
12..372.0.0
  1..203.0.1
Cwt. 11,169