Day the fourth be with you! On that note, it's hard to think of a more quadratic pencil than the Eversharp 4 Square. This was a mechanical pencil of square…
As promised, today's entry brings together Slide Rule Saturday and Mechanical Pencil Month in the hope of fostering a new spirit of love and cooperation between the two rival kingdoms.…
Today's post follows our plucky lump of graphite as it embarks upon the long journey of metamorphosis into a fully-fledged pencil. Issued by the Cumberland Pencil Co. Ltd. of Keswick,…
Object number one is not actually a pencil at all, mechanical or otherwise, yet without it the history of drawing would have turned out very differently. Said to have been…
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…