Joseph Francis's 1841 life boat

Joseph Francis's life boat, 1858

Francis Lee's life and treasure buoy, 1858

Hervey Calkin's life raft, 1871

George Clark's life raft, 1874

A. J. Bell's 1874 patent model

A. G. and A. T. Sterling's 1874 life-boat

Frank Fackrell's life boat, 1874

Tremberger and Stein's life boat, 1879

F. S. Allen's life raft, 1881