Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse, made by S. Z. de Ferranti Ltd, 1898.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Electric oil break fuse label , made by S. Z
Science Museum Group Collection
© The Board of Trustees of the Science Museum