This pinned tweet is a thread of threads: any I made that's worth bookmarking can be found here.A look at the Kufic script of some astrolabes: http://tinyurl.com/yh8ltyxy Visual analysis of materials
A short thread about a really crazy eraser recipe. I meant to post this a month ago, but what is time anymore? The ingredients for this include sulfur and whey.
An ink the colour of pomegranate blossoms: this intriguing little recipe calls for mixing "root of the saffron" with an equal amount of sharp vinegar and setting aside to soak;
Can people just stop writing about honey being used in ink like it's a binding agent alongside the gum... Just try it and you can enjoy Ink That Will Never