- Owner: Richard C. Paine, Jr. Automobile Charitable Trust
- Manufacturer: Knox Automobile Company (Springfield, Massachusetts ,1900-1914)
- Model: C
- Bodystyle: Runabout
- Cost New: $1200
- Engine: One-cylinder air cooled
- Horsepower: 8
- Transmission: Planetary
- Wheelbase: 72
- Brakes: Mechanical on transmission
- Suspension: Longitudinal leaf springs
- Additional info: These cars were known as the Knox Waterless, or more familiarly as the “Old Porcupine,” from the fact that air cooling was by means of 2-inch pins screwed into cylinder jackets instead of the more common pins. The company slogan was “the Car That Never Drinks.”