Paper Weights recovered from Kings Cross Engineering Offices. A fascinating array to include a G.N.R. slither of 80lbs Rail engraved 'G.N.R. STEEL 80lbs MARCH 1870' : A mini piece of rail engraved 'Henry Williams Ltd Darlington Skirted Fishplate 95/95 - 3/8': Another mini piece of rail on a wooden plinth bearing an ivorine plate 'Mills Rail Clip, Exors Of James Mills Limited, Stockport, England: A chromed Spike engraved 'Flastic Rail Spike Co.Ltd: A similar chromed spike engraved 'Rail Traction Supplies Limited'. .