I was handed a bodger-made mallet that was made from green wood and had shrunk so badly that both hoops had fallen off in the space of a couple of years. This new mallet (technically a beetle) is using the old iron hoops off that old one. It's made from a 35+ year old fence post so … Continue reading Hammer time!
Published on internationalroutier.wordpress.com on June 6, 2010 While attributed to many including Gottfried Wilhelm Leibniz (1646-1716) and the Chinese, John Napier was the first to propose a binary number system and the accompanying arithmetic. Napier used a system of the letters of the alphabet to represent ascending powers of two. Whilst mucking around with powers … Continue reading Innovations of the Seventeenth Century 4 – Binary Numbers
Published on internationalroutier.wordpress.com on August 10, 2010 One of the earliest practical applications of logarithms was the development of the slide rule. Imagine, if you will, two rectangular strips of wood placed flat on the table with their long edges together. Starting from the left, mark the numbers 0 to 9 in even intervals along … Continue reading Innovations of the Seventeenth Century 3 – The Slide Rule
International Routier, May 29, 2010 Having discussed the introduction of the decimal point, and then cleared up a small matter of me taking the absolute values of negative powers, let’s have a look at their first popular application. Logarithms were developed at the turn of the seventeenth century independantly by a number of people as … Continue reading Innovations of the Seventeenth Century 1 – Logarithms