Early Percussion Powder-Tester, Eprouvette, engraved, working order. These instruments were used to measure the explosive strength of various gun powders. Study the images for condition and details. Feel free to ask questions. The item "Early Percussion Powder-Tester, Eprouvette, Engraved, working order" is in sale since Thursday, October 3, 2019.This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "dbeeksci" and is located in Mount Vernon, Iowa. This item can be shipped to North, South, or Latin America, all countries in Europe, Australia, Japan, China, South Korea, Indonesia, Taiwan, South africa, Thailand, Hong Kong, Israel, New Zealand, Singapore, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Malaysia, Macao, Viet nam.