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Coherer, coarse brass turnings in long glass tube bent at end, designed or used by Sir Oliver Lodge, England,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube curved into near U-shape at one end with coil winding at other end, designed or used by Sir
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube, designed or used by Sir Oliver Lodge, England, 1898
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, small glass cylindrical tube with several pointed needles at each end pointing to the middle and terminals at
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, tiny glass tube with several needles in contact with crystal, designed or used by Sir Oliver Lodge, England,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer with arrangement for adjusting the compression of filings by using an external magnet to turn the head
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer with arrangement for adjusting the compression of filings by using an external magnet to turn the head
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube bent into U-shape at one end, designed or used by Sir Oliver Lodge, England, 1894-1904
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube containing powdered copper, bulb at one end, designed or used by Sir Oliver Lodge, England,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube, capped at ends, designed or used by Sir Oliver Lodge. England, 1894-1904.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, Lodge pattern, with two wires inserted into bulb at one end, of the type designed or used by Sir
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, designed or used by Sir
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube with side-pocket attached to mounting bracket, designed or used by Sir Oliver Lodge,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube formed into bulbs at each end at right angles, designed or used by Sir Oliver Lodge,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, designed
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, designed
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, designed or used by Sir Oliver
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filing coherer, glass tube fitted on to mounting bracket with terminals, designed or used by Sir Oliver Lodge, England,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, narrow-bore glass tube, designed or used by Sir Oliver Lodge, England, 1894-1904.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, small glass tube with bulb at one end, designed or used by Sir Oliver Lodge, England, 1894-1904
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, small glass tube with bulb at one end, designed or used by Sir Oliver Lodge, England, 1894-1904
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube almost of taper shape, designed or used by Sir Oliver Lodge, England, 1894-1904
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, cylindrical glass tube with steel needle inside part-wound with copper wire, designed or used by Sir Oliver
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer with arrangement for adjusting the compression of filings by using an external magnet to turn the head
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer with arrangement for adjusting the compression of filings by using an external magnet to turn the head
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, with arrangement for adjusting the compression of filings by using an external magnet to turn the head
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, Lodge pattern with two wires inserted into bulb at one end, designed or used by Sir Oliver Lodge,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, coarse iron turnings in glass tube with brass caps with screw terminals at ends, designed or used by Sir
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Filings coherer, glass tube with side pocket mounted on cylindrical ebonite(?) rod with brass screw terminals at ends,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum