Rainbow Pump Oiler Value Guide

The Rainbow Pump Oiler is a quintessential piece of American industrial history produced by the Eagle Manufacturing Company in Wellsburg, West Virginia. These mid-century tools are highly collectible for their rugged steel and brass construction and their iconic role in 1940s-1960s workshops.

What Is Rainbow Pump Oiler Worth?

The typical price range for Rainbow Pump Oiler is $25 - $25 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Condition of the internal pump mechanism and whether the oiler still functions without leaking.
• Presence of original paint or patina, as heavy rust or over-cleaning can reduce the $25 market value.
• Integrity of the brass nozzle and fittings, which are prone to denting or cross-threading.
• Clarity of the stamped 'Rainbow' and 'Eagle' branding marks on the metal surface.

How to Identify Rainbow Pump Oiler?

• Look for the 'Rainbow' brand name stamped clearly on the body or handle assembly.
• Verify the manufacturer mark for Eagle Manufacturing Company, often noting the Wellsburg, W.VA origin.
• Check for the specific mixed-material construction featuring a steel reservoir and brass pump components.
• Identify the distinct ergonomic thumb-pump lever design characteristic of the 1940-1960 production era.

History of Rainbow Pump Oiler

The Eagle Manufacturing Company, established in Wellsburg, West Virginia, has a long history of producing quality oilers and other industrial containers. Their 'Rainbow' line of pump oilers became a recognizable household and workshop item due to its durable construction and effective design, providing lubrication for various machinery and tools over many decades.