Photographed collector reference · Case & bottom stamp
1934–1936 · Regular · Bradford — Case & bottom stamp reference (1934–1936)
1934–1936 · Regular · Bradford: Patent pending. Soldered rectangular tubing with rectangular caps. Cam channel is a U-shaped metal bracket soldered into the lid.
- Known period
- 1934–1936
- Plant
- Bradford / United States
- Case type
- regular
- Case material
- brass
- Dating evidence
- Collector-reported reference — A collector or source has documented this example or attribution. The exact year, manufacturing history or classification may not have been independently verified.
- Reference verification
- Photographed specimen; date or classification attributed to the source, not factory-certified.
- Year attribution
- collector-attributed
Reference images · real photographed examples
Patent pending. Soldered rectangular tubing with rectangular caps. Cam channel is a U-shaped metal bracket soldered into the lid.
Dating evidence and reference verification
Sources: J. Kim
Collector-reported reference: A collector or source has documented this example or attribution. The exact year, manufacturing history or classification may not have been independently verified.
Reference verification: Photographed specimen; date or classification attributed to the source, not factory-certified.
Photographic copyright: J. Kim
Dating caution. This is a documented period reference, not proof of a precise manufacturing year. Case and insert can have different manufacture dates; inserts may have been replaced. A single feature does not establish authenticity.