1680. "I with another Fireworker was ordered to Berlin in exchange of two Brandenburgher Fireworkers, sent to Denmark to learn the difference of each nation's work relating to all sorts of warlike and pleasaunt Fireworks.
1681. "I was ordered to go from Berlin to Strasburg to perfect myself in all things relating to Fortification.
1682. "I was ordered back again from Strasburg to Gluckstadt, in Holstein, where I was made Ensign in the Queen's Regiment of Foot.
1683. "I was made a Lieutenant in the same Regiment, and ordered with the Duke of Wirtemberg, who went a voluntier to the relief of Vienna, in Austria, where I was in the Battle fought by the Germans and Poles against the Turks the 11th day of September. The Turks were totally defeated with the loss of their Artillery and greatest part of their baggage.
1684. "I was ordered with several other engineers under Colonel Scholten's command to fortifie a place called Farrell, in the County of Oldenburg.
1685. "I was ordered by the aforesaid Duke of Wirtemberg, who went a voluntier to Hungary, and was both of us at the Siege of Niewhausel and the Battle of Grau in the month of August. The Germans beat the Turks, and took twenty-three pieces of cannon, with some of their baggage, and some days after the battle, Niewhausel was taken sword in hand.
1686. "I went as a voluntier to Hungary, and was at the Siege of Buda, and was recommended to Colonel Barner, Commander of the Imperial Artillery, who employ'd me during the Siege, in the Artillery service. The lower town was taken in June without opposition. The upper town and castle were taken sword in hand in the month of September. Here I got so much plunder that paid for all my campaign done in Hungary as a voluntier.
1687. "I was made a Lieutenant in the King of Denmark's Drabenten Guards, and was employed as Engineer in the new Fortifications made at Copenhagen.
1688. "I quitted the Danish Service on account of some injustice done me in my promotion, and went as voluntier to Poland. I was well recommended to his Polish Majesty. I was in the action that happen'd at Budjack, when the Poles beat the Tartars, and killed and took prisoners to the number of 2400. Here I took for my share two Tartars prisoners, which had near cost me my life, by reason I would not deliver them over to a Polish officer.
"In the King of Prussia's Service.