You are purchasing a "Vintage Linear Slide Rheostat Variable Resistor Welch Brand" in "Used" condition.

Vintage W. M. Welch Scientific Co. variable resistor / rheostat, rated 5500 ohms and 0.30 amps, made in Chicago, U.S.A. This classic bench-style unit features a sliding contact mechanism along a long cylindrical resistance element, mounted on sturdy metal end brackets. It’s a great piece for vintage lab collections, teaching demonstrations, or restoration of older scientific equipment. The rating plate clearly shows 5500 ohms and 0.30 amps, and the unit includes its original sliding contact hardware and mounting feet. Overall, it presents well for its age with visible wear consistent with prior use, adding to its authentic vintage lab character. Perfect for collectors of antique scientific instruments, physics classrooms looking for a demonstrative component, or hobbyists who appreciate old-school laboratory hardware. Keywords: vintage rheostat, Welch Scientific, variable resistor, lab equipment, scientific instrument, physics teaching, 5500 ohms, 0.30 amp, Chicago USA, antique electronics
Device shows general surface wear and discoloration on the main cylindrical element and metal rod. Metal frame and brackets have light scuffs and small marks. Printed labels and markings remain legible. No obvious cracks or broken pieces are visible on the frame or end supports.

Condition Notes: Device shows general surface wear and discoloration on the main cylindrical element and metal rod. Metal frame and brackets have light scuffs and small marks. Printed labels and markings remain legible. No obvious cracks or broken pieces are visible on the frame or end supports.

MPN	PU 119118
Brand	W. M. Welch Scientific Co.
Unit Quantity	1
Country of Origin	USA

Vintage Linear Slide Rheostat Variable Resistor Welch Brand

Specifications

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