Creator
- Hounslow Gunpowder Office1
- Howards and Sons1
- Hyde, John1
- Isaac Curtis1
- Isaac, Samuel, 1812-18861
- J & R Morley1
- John Brown & Company Limited1
- Johns, Robert1
- King, John1
- London Armoury Company1
- Merton, Louis 1
- Pitts, Charles1
- Richard & William Aston1
- Richards & Co.1
- Robinson & Fleming 1
- S. F. Pierson1
- S. Isaac Campbell &. Co.1
- S. Issac Campbell & Co.1
- S. Reynolds & Son1
- Samaritan Patent Filtered Water Works1