Summary

Cat's whisker crystal detector (crystal and wire are missing) and original packaging. Sold for use by home constructors for building crystal sets. This detector would have been used with a crystal.

The date range is approximate and is based on inscription on the packaging, EMERGENCY FINISH, which indicates production during or immediately after World War Two.

Physical Description

A celluloid cylinder supported with metal brackets mounted on a paper bakelite board. There is a red-tipped handle attached to a shaft inside the cylinder, which can be moved. Packaging consists of a rectangular cardboard box.

More Information

  • Collecting Areas

    Information & Communication

  • Manufacturer

    Ebro Products, Australia, 1939-1947
    The date range is approximate and is based on inscription on the packaging, EMERGENCY FINISH, which indicates production during or immediately after World War Two.

  • Inscriptions

    None on detector. Packaging: Side: Celluloid Enclosed/Crystal Detector Side: Buy 'Ebro' Products/All Australian Made Side: DUST PROOF/EASY ADJUSTMENT Side: EMERGENCY FINISH

  • Classification

    Communications, Radio, Receivers

  • Category

    History & Technology

  • Discipline

    Technology

  • Type of item

    Object

  • Overall Dimensions

    80 mm (Length), 36 mm (Width), 31 mm (Depth)
    Dimensions of packaging box.

  • Part Dimensions

    27 mm (Width), 35 mm (Depth), 75 mm (Height)
    Dimensions of detector without packaging box..

  • Keywords

    Radios