tandard Cell Eppley Laboratory Cat. No. 100 – Voltage Reference (USA)

Standard Cell manufactured by the renowned American manufacturer The Eppley Laboratory, Inc. in Newport, Rhode Island. This is a precision laboratory electro-motive force (E.M.F.) reference source with a marked nominal voltage (~1.01910 V), historically used in metrology laboratories, military equipment, and research institutes as a primary voltage standard for calibrating potentiometers and meters. It serves as a great collector's item, display piece, or historical artifact of precision measurement technology.

• Manufacturer: The Eppley Laboratory, Inc. (Newport, R.I., U.S.A.)

• Model / Type: Standard Cell (Low Temperature Coefficient Form of The International Standard of E.M.F.)

• Catalog Number (Cat. No.): 100

• Serial Number (No.): 397503

• Internal Resistance: Not over 500 Ohms

• Factory Marking / Voltage: 1.01910 V (handwritten on casing)

• Weight: approx. 1.0 kg (2.2 lbs)

• Country of Origin: United States of America (U.S.A.)

Features & Construction

• Housing: Durable black bakelite/plastic housing with integrated base and brass nameplate

• Terminals: Two robust screw binding posts (marked + and -) 

• Origin: Military surplus / laboratory asset

Item Condition

• Visual Condition: Good overall condition as shown in the photographs (minor scratches, patina on metal parts due to age).

• Technical Condition: Untested / Unknown. Sourced from military surplus and sold strictly AS-IS for collection, display, or prop use without guarantee of original electrical calibration or performance.