SUBJECTS (1-2 of 2)
Precious metals -- Assaying
1
 

The doctrine of gold and silver computations in which is included, that of the par of money : the proportion in value between gold and silver, and the valuation of gold, silver, and parting assays : with useful tables and copper-plates
Snelling, Thomas, 1712-1773
London : Printed for T. Snelling, 1766
1766
電子書

Location: 中央研究院
2
 

The doctrine of gold and silver computations in which is included, that of the par of money : the proportion in value between gold and silver, and the valuation of gold, silver, and parting assays : with useful tables and copper-plates
Snelling, Thomas, 1712-1773
London : Printed for T. Snelling, 1766
1766
電子書

Location: 中央研究院