00558nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200130007710000200009024501040011026000230021427000110023730000280024850000190027665000430029565000140033820170124110108.0  a962666  c00.00  a962666  bCen Lib/Ret  aDPLbEN  a921bBAR  aBarwell, E.H.G.  aThe death ray man :cby E.H.G. Barwellbthe biography of Grindell Matthews : inventor and pioneer /  aLondonbHutchinson  bLondon  a175p. :c22cm(Hb)bill.  aIncludes index  aMatthews, Harry Grindell, -- 1880-1941  aBiography