Showing 1 to 2 of 2 items
1. John Scoffern, Fire-Balloons and Gas-Balloons: How to Use and Make Them. Part IV—Air-Balloons, Boy's Own Paper, 3 (1880–81), 175.
2. John Scoffern, Fire-Balloons and Gas-Balloons: How to Use and Make Them, Boy's Own Paper, 3 (1880–81), 186–87.