PRICED AT £75 EACH.
Three diving helmet T spanners or Corselet spanners used to tighten the nuts on the bolts of a corselet.
From left to right.
Reproduction brass, worn and weathered spanner measuring 11.5cm high x 11cm wide with the legends 'SIEBE GORMAN & Co' to the front and 'LONDON' to the reverse. Hollow through the handle, diameter of hole 1cm.
Unsure as to genuine or not!  Brass Siebe Gorman spanner measuring 11.5cm wide x 11cm high, hollow through the handle, diameter 1.5cm.
Chromed Japanese spanner measuring 9.5cm high x 10cm wide used on their 'Butterfly' or 'wing nut' corselets. Solid handle.