Note 26 — Chapter IX · (continued 2)
Reading edition
"Assaying and Hall-marking at the Chester Assay Office." W.F. Lowe. Journ. Soc. Chem. Industry, Sept. 1889.
Reading edition
"Assaying and Hall-marking at the Chester Assay Office." W.F. Lowe. Journ. Soc. Chem. Industry, Sept. 1889.