Hindsights by Michael Barr A scarcity of supplies was a big problem on the Texas frontier, especially during the Civil War when Union gunboats blockaded the gulf coast keeping goods from coming in through normal channels. A shortage of gun caps was a major predicament until Engelbert Krauskopf and his partner Adolf Lungkwitz perfected a process for making gun caps at Krauskopf’s workshop in Fredericksburg, Engelbert Krauskopf was born on August 21, 1820 in Bendorf on the Rhine River nea ...