The Remington-Keene was one of the many repeating rifles manufactured with hopes of US military contracts, which failed to get any. In total about 5,000 were made and sold commercially. It is a tube-magazine, bolt action rifle in .45-70 caliber. This photo was taken at some point in the 1880s.
July 22, 2016 Ian McCollum carbine williams, garand development, Prototype, Semiauto Rifles, Video 43