Buchan's exchange tables, in three parts, embracing simple, reliable and accurate forms for ordinary use, in the conversion of sterling into Canadian currency, (and vice-versa) advancing by eighths ; also a complete set, specially adapted for large transactions at close rates, advancing by sixteenths, and calculations for transactions in American or domestic exchange, at both discount and premium ; also containing tables of brokerages and sterling equivalents of long and short exchange in Canadian and New York systems of quotations