Okabe, Yoshihiko - Graduate School of Economics, Osaka University - 2008
Birmingham Assay Office was established in 1773 by Toy manufacturers producting plated goods like Matthew Boulton. Main … products of Birmingham were plated by gilt technique, so it was not easy to get credit for their products as growing area …. Assay office had to be needed not only for the practical purpose but also credibility of Birmingham area as own assaying …