Description

Vintage A.J. Williams Portable Voltmeter – Melbourne, Australia

A superb example of vintage Australian scientific and electrical test equipment: an A.J. Williams portable voltmeter, manufactured in Melbourne, Australia.

A.J. Williams was a respected Australian manufacturer of electrical and scientific measuring instruments, producing equipment for professional, industrial, educational and laboratory applications. This portable voltmeter is an excellent example of the company’s practical yet beautifully constructed instrumentation.

Features

• Manufacturer: A.J. Williams
• Origin: Melbourne, Australia
• Type: Portable voltmeter
• Construction: Wooden protective case
• Display: Analogue meter with glass face and scale
• Case: Traditional finger-jointed wooden case with protective fold-down front
• Calibration: Original calibration sticker dated 26/05/1986
• Era: Mid-to-late 20th century

Original Calibration Record

One of the particularly interesting features of this instrument is the calibration sticker attached to the front flap, dated 26/5/86.

The label records test voltages alongside corrected readings, including an example where a 10V test produced a recorded reading of 10.23V. The presence of this calibration record provides an intriguing glimpse into the instrument’s working history and suggests that it was maintained and calibrated for practical use.

Construction & Design

The meter is housed in an attractive finger-jointed timber case, designed to protect the delicate analogue instrument during transportation and storage. The fold-down front section provides additional protection for the glass face and scale.

The combination of precision electrical instrumentation and traditional timber craftsmanship makes these instruments particularly appealing to collectors of vintage scientific equipment, Australian industrial history and electrical test instruments.

Condition

The item is in vintage pre-owned condition, with age-related wear to the wooden case and general signs of use consistent with its history. The calibration label remains an interesting original feature.

Please examine all photographs carefully, as they form an important part of the description and provide the best indication of the condition and completeness of the instrument.

The voltmeter is offered as a vintage collectible and should not be relied upon for modern electrical testing without appropriate professional inspection, testing and calibration.

Collector Appeal

An excellent piece for collectors of Australian-made scientific instruments, vintage electrical equipment, laboratory apparatus and industrial memorabilia.

The Melbourne manufacture, quality timber case and surviving 1986 calibration record give this A.J. Williams voltmeter considerable character and make it a fascinating example of Australia’s industrial and scientific manufacturing heritage.