Tuesday, July 26, 2011

c.1845

USA: Cincinnati Imported Prices, "about double" the London Price, circa 1828

London-made (Trougton?) air pump:  in 1822, a large Troughton air pump cost £ 14.70 (1823 = USD$ 70.17)

1822:
 









c.1845




No comments:

Post a Comment