Long & Crawford Ltd
Advertisement for 11kV Indoor Circuit Breakers. Electric Power Magazine. 1963.
Advertisement for H.V. Metalclad Switchgear. Electric Power Magazine.
Leaflet for 11 K.V. 3 Ph. Rotary Oil Switch Fuse. Shown Side View With Lid Open.
Photograph of an Oil Fuse Switch as Part of a Switching Unit.
Photograph of a Pedestal Mounted Oil Switch Fuse. 50A 11kV T.P. 5 copies.
Photograph of an 11kV ETV2 Feeding Two Transformers Using Air Connections to Eliminate End Boxes Wherever Possible. Johannesburg City Council. Photo No. 660529. 1966.
Advertisement for Outdoor Extensible H.V. Switchgear. Electrical Review Magazine. 1968.
Photograph of Roadside Switching Kiosk Open Showing Breakers. Photo No3 of Set 63. 2 copies.
Photograph of Early Oil Switch Fuse With Lid Open.
Layout of Advertisement for H.V. RING MAIN PILLAR.
Photocopy of a Press Announcement Regarding Long and Crawford at the I.E.E.E. Symposium and Exhibition at Anaheim.
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