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Antique Industrial Pressure Gauge – Gebr. Sulzer A.G.
Germany, Ludwigshafen a. Rh. – Circa 1910–1925
A highly authentic early 20th-century industrial manometer produced byGebr. Sulzer A.G., one of Germany’s most respected manufacturers of precision mechanical instruments.
This piece represents a true example of pre-war industrial engineering, featuring an original enamel dial, early measurement notation, and a distinctive crescent-tip (wrench-shaped) steel pointer — a characteristic detail seen in early instrument design.
Its aged surface and untouched condition give it a strong visual presence, making it suitable for collectors as well as industrial-style interiors.
Key Features
• Manufacturer:Gebr. Sulzer A.G. – Ludwigshafen a. Rh.
• Serial Number:No.[phone removed by ](visible on dial)
• Original enamel dial marked“kg pro qcm”(pre-standardization unit)
• Distinctive earlycrescent-tip steel pointer
• Solid metal housing with original brass mounting thread
• Preserved industrial patina with traces of original use
Measurements
• Diameter: approx.15 cm (5.9 inches)
• Depth: approx.5.5 cm (2.1 inches)
Condition (Collector-Oriented Description)
This piece has been intentionally left in itsoriginal, untouched “as-found” condition.
• Dial shows age-related staining and natural patina
• Outer casing exhibits paint loss and surface wear consistent with industrial use
• Visible residues are original and have not been cleaned
• Mechanism isuntestedand sold as a collectible object
No restoration or polishing has been performed in order to preserve authenticity.
Collector’s Note
Unlike restored examples, this gauge retains its original surface, wear, and character. Pieces with untouched industrial patina are increasingly preferred by collectors seeking authenticity over refinished condition.
Historical Context
Manufactured in Germany in the early 20th century, this type of pressure gauge was used in industrial systems such as boilers and mechanical installations.
The use of“kg pro qcm”places it firmly in the pre-WWII period.
Shipping
• Carefully packed for safe international delivery
• Fully tracked shipment
• Dispatched within 1–2 business days
