This custom gunsmith manufactured his own rifle barrels. Andreas Mauser was the master gunsmith there. His qualifications as a machinist led to an assignment as a gunsmith. An avid gunsmith and knife maker, Von Dutch made numerous art knives and embellished firearms. The first experimental needle gun was designed by Jean Samuel Pauly, a Swiss gunsmith. There was a machine shop and gunsmith shop. This eliminates the need for machining by the gunsmith as with traditional barrel mounting solutions. Many conversion kits require fitting ("inletting") by a gunsmith. Eusebio Zuloaga was a gunsmith and director of the Spanish Royal Armoury. While there, Nelson and his gang bought several weapons from underworld gunsmith Hyman Lehman. Renowned English gunsmith William Greener invented the Greener bullet in 1836. Booker and Elizabeth join forces to secure weapons from a local gunsmith. He became a gunsmith and plantation owner. That distinction belongs to John Buhmiller, a gunsmith and hunter from Montana. Munden was also a custom gunsmith.