This ruler was issued as a promotional item by flour manufacturer J.McAlpin & Sons, Abbotsford, whose products were sold under the McAlpin brand,.This item is an example of a commonly used pre-decimal item. McAlpin's was a Victorian company that became pre-eminent in its product range throughout Australia in the first half of the twentieth century.A wooden ruler. It is marked in inches/tenths. On it is "McAlpin's Flour - The rule for Better Baking since 1900".B.S. & S. MELB. AUSTpromotional-item mcalpin-&-sons ruler