Mechanical Pencil Month – Day 20: Mordan’s Bicentennial
The final day of our countdown has arrived which means it is time to go back to where it all began. By that I don't just mean Hawkins and Mordan's…
The final day of our countdown has arrived which means it is time to go back to where it all began. By that I don't just mean Hawkins and Mordan's…
Another Slide Rule Saturday rolls around (whatever happened to the last one?) and having already used up my only slide rule pencil as well as my only pencil with slide…
For the twelfth day of Christmas Mechanical Pencil Month, I present a whistlestop tour of twelve lead refills from my collection of [insert large number here]. They have been arranged…
We have already reached the halfway point of our countdown to the bicentenary of Hawkins and Mordan's 20 December 1822 patent for the first mechanical pencil. It therefore seemed appropriate…
While digging around in the Repertory of Arts for Brunel patents, I came across a familiar design from the early 19th century. Granted to civil engineer John Isaac Hawkins (inventor…