The ‘+’ signals the addition of a useful stylus tip, perfect for scribbling of tablets and phones, while the pencil mechanism itself is a masterpiece of finely machined parts and tried and tested ...

We can still repair pencils that are nearly 80 years old ... Hannah Silver is the Art, Culture, Watches & Jewellery Editor of Wallpaper*. Since joining in 2019, she has overseen offbeat design trends ...