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Three Port Circulator, by Marconi Company, England, 20th Century

Inventory Number: 79157

79157-2t 79157-1t

Date: 20th Century

Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.

Inscription: "3 PORT CIRCULATOR / FREQUENCY 600Mc/s / TYPE F1031-02 / SERIAL NO.114 / MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / MADE IN ENGLAND / TRANSMISSION / DIRECTION" printed on metal plaque upon upper surface.

Size: 100mm (in diameter) x 60mm (in overall height)

Materials: Steel, metal.


Three Port Circulator in cylindrical steel case with three screw-type ports on exterior of cylinder. Cylinder is of heavy density, and is possibly solid.

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