- Subject
- Radio communication
- Item type
- Object
- Provenance
- Presented by R.A. Porter.
- Primary inscriptions
- ""Sylverex/ TRADE MARK/ SILVER TONED RADIO CRYSTALS//This Synthetic Crystal is MANUFACTURED BY/ SYLVEX Ltd/ 144 THEOBALD'S ROAD/ LONDON, WC1. ENGLAND.".
- Object type
- Radio communication
- Dimensions
- Height: 39mm Width: 31mm Depth: 14mm
- Inventory No
- 57697
- Accession Number
- 1970-40
Description
A radio crystal by Sylvex In tinplate box.
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