Antique American Safe Dial with Exposed Gear System | Functional Mechanical Security Device | Circa 1900–1930
Description
Plus
Moins
Historical Context & Origin
Region: United States (Hamilton, Ohio)
Material: Brass, steel, and iron components with modern acrylic display mount
Period: Circa early 20th century (c. 1900–1930)
Description
This authentic Herring-Hall-Marvin Safe Co. combination safe lock mechanism represents a fascinating example of early 20th-century American security engineering. Manufactured in Hamilton, Ohio—home to one of the most respected safe makers of the era—this piece would have originally been installed within a heavy vault or commercial safe.
The front features a classic rotating brass dial with engraved numeric increments, while the reverse reveals the internal mechanical assembly, including gears, cam, and locking components. The original rear plate has been removed and replaced with a custom transparent acrylic mount, transforming the piece into a functional display that allows full visibility of the lock’s inner workings.
When the dial is turned, the internal mechanism visibly engages, offering a rare and educational insight into the precision craftsmanship behind early safe technology.
Features
- Authentic Herring-Hall-Marvin Safe Co. safe lock mechanism
- Marked “Hamilton, O.” on the dial center
- Fully functional rotating combination dial
- Exposed internal gearing and cam system
- Custom acrylic display mount for visibility and presentation
- Solid brass dial with aged patina
- Industrial black housing with original mounting hardware
Cultural Significance
Herring-Hall-Marvin was one of the leading American safe manufacturers in the late 19th and early 20th centuries, known for producing high-security safes used by banks, businesses, and government institutions. Mechanical combination locks such as this were at the forefront of security innovation, relying entirely on precision engineering long before electronic systems existed.
Condition
Very good antique condition. The dial rotates smoothly and the internal mechanism responds as intended. Surface wear, patina, and minor oxidation are consistent with age and use. The acrylic display mount is a later addition and presents well, allowing clear viewing of the internal components.
Dimensions (Approximate)
Height: 5.5 in
Width: 5.5 in
Depth: 4 in
Age (Approximate)
90–120 years old
Learn More
Explore the development of mechanical safe locks through The Master Locksmiths Association
Browse our Collection of Functional Tools & Mechanical Implements
Description
Historical Context & Origin
Region: United States (Hamilton, Ohio)
Material: Brass, steel, and iron components with modern acrylic display mount
Period: Circa early 20th century (c. 1900–1930)
Description
This authentic Herring-Hall-Marvin Safe Co. combination safe lock mechanism represents a fascinating example of early 20th-century American security engineering. Manufactured in Hamilton, Ohio—home to one of the most respected safe makers of the era—this piece would have originally been installed within a heavy vault or commercial safe.
The front features a classic rotating brass dial with engraved numeric increments, while the reverse reveals the internal mechanical assembly, including gears, cam, and locking components. The original rear plate has been removed and replaced with a custom transparent acrylic mount, transforming the piece into a functional display that allows full visibility of the lock’s inner workings.
When the dial is turned, the internal mechanism visibly engages, offering a rare and educational insight into the precision craftsmanship behind early safe technology.
Features
- Authentic Herring-Hall-Marvin Safe Co. safe lock mechanism
- Marked “Hamilton, O.” on the dial center
- Fully functional rotating combination dial
- Exposed internal gearing and cam system
- Custom acrylic display mount for visibility and presentation
- Solid brass dial with aged patina
- Industrial black housing with original mounting hardware
Cultural Significance
Herring-Hall-Marvin was one of the leading American safe manufacturers in the late 19th and early 20th centuries, known for producing high-security safes used by banks, businesses, and government institutions. Mechanical combination locks such as this were at the forefront of security innovation, relying entirely on precision engineering long before electronic systems existed.
Condition
Very good antique condition. The dial rotates smoothly and the internal mechanism responds as intended. Surface wear, patina, and minor oxidation are consistent with age and use. The acrylic display mount is a later addition and presents well, allowing clear viewing of the internal components.
Dimensions (Approximate)
Height: 5.5 in
Width: 5.5 in
Depth: 4 in
Age (Approximate)
90–120 years old
Learn More
Explore the development of mechanical safe locks through The Master Locksmiths Association
Browse our Collection of Functional Tools & Mechanical Implements
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