According to the Leupe catalogue (NA), the original title reads: "Het Sillidase Bergwerk, soo als hetselve succesive is bearbeyd, van het jaar 1669 tot op den 27 september 1737". Key: A-Z; a-q; 1-31 Notes on reverse: "No. 43" of the item in the OBP volume / "Behoort by de overgekomen Brieven en papieren van Batavia 1739 3 deel likely the date given is 1739, but it could be 1734 / "599 e" / "1956" legible, it could read 1456. 48 Rhenish fathoms or 24 rods and scale indicator of 10,5 cm; converted scale : 860 / 24 Rhenish fathoms or 12 rods and a scale indicator of 10,5 cm; converted scale : 430 Stolle.