1. Rather confusingly the termskabelon(model) was used to describe both a three-dimensional model and a two-dimensional model, i.e. a plan, so it not always possible to determine what kind of model is being referred to
2. Exactly where is not known but judging by his ship designs it seems likely that he studied in England
3. Rigsarkiv, Rentemesterregnskaber, 1601/02, f.604–5