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Frederick Post Cast Iron Surveyor’s Oil Reservoir – Early 20th Century Engineering Oiler
$49.00 USD
Authentic Frederick Post Co. cast-iron oil reservoir used by surveyors and engineers to lubricate precision instruments such as transits and levels. This example features its original red enamel base and textured black top, with a threaded cap marked “FREDERICK POST.” The compact, industrial design and weight reflect the craftsmanship of 1930s–1940s American field instruments. A fine collectible piece of surveying history and early industrial design.
Maker: Frederick Post Co., Chicago, IL
Era: Circa 1930–1950
Material: Cast iron with enamel finish
Markings: “FREDERICK POST” embossed on cap
Dimensions: Approx. [insert actual size, typically 3–4 in. diameter]
Condition: Good vintage condition with light wear and patina consistent with age