Appendix 1.

MINERAL STATISTICS. LEAD AND SILVER.

Lead. 1845 to 1938.
Silver. 1853 to 1913.

Date   Leadhills. Wanlockhead
  Ore. Silver. Ore. Silver.
  Tons. Oz. Tons Oz.
1845 395. -
1846 661. -
1847 275. -
1848 300. - 960.
1850 695. - 1021.
1851 600. - 998.
1852 1097. - 826.
1853 895. - 700. 3700.
1854 262. - 795. 4320.
1855 324. - 808. 4500.
1856 525. - 808. 4500.
1857 675. - 873. 4459.
1858 1087. - 870. 4800.
1859 935. - 750. 3500.
1860 1053. - 750. 2750.
1861 742. - 804. 3856.
1862 660. 1278. 781. 4262.
1863 481. 942. 823. 4657.
1864 800. 1755. 989. 5592.
1865 949. 2670. 1001. 5584.
1866 1015. 2846. 1011. 4150.
1867 1110. 3084. 1150. 4975.
1868 973. - 1021. 5712.
1869 1422. - 1228. 6447.
1870 2187. - 930. 4840.
1871 2227. - 1019. 5152.
1872 2189. - 1225. 5900.
1873 1748. - 1100. 5620.
1874 1315. 3280. 1275. 6186.
1875 2346. 7500. 1320. 5803.
1876 2353. - 1060. 3180.
1877 1100. 3474. 1050. 4900.
1878 2382. 4725. 1320. 5950.
1879 1748. 4588. 1420. 5800.
1880 1801. 4920. 1900. 8235.
1881 1805. 5412. 1826. 8000.
1882 2523. 13876. 1789. 7559
1883 2538. 13962. 1876. 7600.
1884 2447. 13011. 1880. 7000.
1885 2039. 10842. 2277. 11884.
1886 2130. 11716. 2394. 13080.
1887 1791. 9403. 1948. 10714.
1888 1854. 9251. 2150. 14062.
1889 1820. 9673. 2243. 15270.
1890 2026. 10768. 1863. 10852.
1891 2084. 11848. 2005. 10025.
1892 2019. 11736. 2025. 11137.
1893 1642. 6389. 1870. 10285.
1894 1876. 7299. 2152. 11836.
1895 1781. 6929. 2330. 12815.
1896 1739. 6766. 2200. 12061.
1897 1066. 4150. 1813. 9971.
1898 727. 2831. 10164.
1899 369. 1476. 1848. 10164.
1900 223. 1115. 1616. 8888.
1901 295. 1032. 1352. 7436.
1902 730. 2555. 899. 4944.
1903 913. 3195. 1058. 5819.
1904 1381. 4833. 1151. 6330.
1905 6734. 850. 5675.
1906 2427. 8674. 1163. 4652.
1907 3097. 10837. 1435. 7175.
1908 3199. 10600. 1378. 6890.
1909 1987. 6954. 1783. 8915.
1910 559. 1817. 2219. 10535.
1911 1899. 6172. 3152. 14972.
1912 1749. 6121. 3330. 16650.
1913 1331. 4658. 2704. 13520.
1914 - - -
1915 1943. - -
1916 1577. - 2333.
1917 1773. 2086. -
1918 1952. 1715. -
1919 1896. 1860. -
1920 - - -
1921 150. 1171. -
1922 1403. 2902. -
1923 1445. 2418. -
1924 1420. 2322. -
1925 948. 2426. -
1926 1239. 3086. -
1927 1530. 2822. -
1928 1421. 2709. -
1929 231. 3599. -
1930 153. 4155. -
1931 122. 2857. -
1932 72. - -
1933 7. - -
1934 - 1898. -
1935 - - -
1936 14. - -
1937 20. - -
1938 104. - -

Sources:
R.Burt, P.Waite, & M.Atkinson. Scottish Metalliferous Mining. Industrial Archaeology, Vol 16 1981.
Memoirs of the Geological Survey. Vol XXXIII Mineral Resources in Scotland.1940.

NB. No figures have come to light for the amount of Potters Ore sold from Leadhills.

Appendix 2.
NUMBERS EMPLOYED.

Date Leadhills Wanlockhead
1638 50 (a)
1676 - 38 (b)
1742 102 Employed by the Earl. (c)
1743 - 346 (d)
1759 - 185 (e)
1768 24 Employed by the Earl. (c)
do 140 by Scots Mines Co. (f)
1772 c. 500 (g)
1779 30 by Tessington. (h)
1791   200 by Scots Mines Co. (i) 185 (j)
1801   168 pickmen by Scots Mines Co. (k)
1822   - 250 (l)
1835   217 incl. 141 pickmen. (j) 208 (m)
1842   - 150 (l)
1846   87 (k)
1849 August 23 (k)
September 11 (k)
1854   102 incl. 67 pickmen. (k)
1875   - 274 (l)
1889   212 incl. 103 underground (n)
1900   73 incl. 45 underground (n) 203 incl. 112 underground (n)
1907   220 incl. 129 underground (n) 198 incl. 128 underground (n)
1913   167 incl. 104 underground (n) 192 incl. 114 underground (n)
1923   -   252 incl. 125 underground (o)
1928   144 incl. 88 underground (p)
  1. T.C.Smout. Lead Mining in Scotland
  2. WMA. Blackett MSS
  3. WMA. Hopetoun MSS.
  4. WMA Rae MSS
  5. WMA Crawford Day Book.
  6. W.S.Harvey. Lead Mining in 1768.
  7. T.Pennant. Tour in Scotland.
  8. WMA. Tessington MSS
  9. Old Statistical Account.
  10. WMA. Mines Journals.
  11. ARL. Mines Journals.
  12. T.C.Smout The Lead Mines of Wanlockhead.
  13. New Statistical Account of Scotland.
  14. Burt et Al. Scottish Metalliferous Mining.
  15. WMA. Report by the Joint Managers.
  16. The Mining World.
Appendix 3.

WEIGHTS AND MEASURES.

The Amsterdam, Dutch, or French Troye, system of weights was once widely used in Scotland, and Glasgow once had a set of weights provided by the Conservator of Privileges of Dort. The weights replaced an older standard, the Scottish Tron, and was established under an Act of 1618. (Cleland) The Amsterdam measure had a Pound of 17 ounces and 6.15/16 drams Avoirdupois, and Stone of 16 Pounds.

Comparisons with the Avoirdupois weights are then as follows: 

 	1 lb Am.	=  1.09 lb Av.
 	1 stone Am	= 1.245 stone Av
			= 17.43 lb Av
			= 7.9 Kg

The system did not have a weight heavier than the stone, which could produce such records a:

smelted lead weighing 857,625 stones.

but the output from the mines might be in tons, and an entry in one of the Wanlockhead Journals for 1799 noted "The ton is 136.1/2 stone Amsterdam. This was equivalent to 2000 lbs. Avoirdupois, a common weight in the eighteenth century.

Ore was measured in bings and an entry in Matthew Wilson's diary shows the Leadhills bing was 72 stone Amsterdam, compared with the English Bing of 64 stones Avoirdupois. The local bing was therefore much heavier, being 1254.9 lbs. compared with 896 lbs.

The lead bars were "not to be under 8 stones nor over 8 stones and six pounds Amsterdam". So they weighted between 139.44 and 145.54 lbs. Avoirdupois, 63.25 to 66.02 Kg.

The load was once a common but capricious measure. At Wanlockhead, a load of coals was noted as "12 Dutch Stones", so about 209 lbs.


Cleland, J. Weights and Measures of the City of Glasgow and the Under Ward of Lanarkshire. (1822).