Tool book of a Nuremberg knight from 1505

In 1505, Martin Löffelholz, a Nuremberg patrician and knight, embarked on creating a tool book unlike any other. He meticulously drew various tools and machines he encountered, showcasing his engineering knowledge and interests. The book contained 154 pages, with 127 fully reviewed and 27 remaining unexplored. Each page contained a drawing, accompanied by a brief caption in Old High German, reflecting the language of Nuremberg in the early 16th century.

The codex detailed a wide range of objects, from drills with interchangeable blades to a crossbow, a cradle filled with mercury, and even a spiral staircase that could be swung open. The book also featured locks, weapons, hunting gear, and even some recipes. The original manuscript is held by the Biblioteka Jagiellońska in Kraków, under the shelfmark Ms. Berol. germ. quart. 132.

Löffelholz's life, spanning over 28 years as a Pfleger (warden) of the fortress of Lichtenau and a captive between 1507 and 1509, is also documented within the codex. The project to digitize and interpret the entire book has been ongoing, with each page carefully reviewed and translated into modern English. The Codex has been a source of fascination for its author and many others, revealing the advanced knowledge and ingenuity of Nuremberg's patricians and knights in the 16th century.