Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
,"British standard specification for goliath lamp caps and lamp hodlers for currents up to 15 amperes or powers up 1000 watts for pressures not exceeding 250 volts when the containing case is of metal only, or for pressures not exceeding 650 volts when the containing case is of porcelain or of metal with porcelain lining",,Crosby Lockwood,1919,British Engineering Standards Association,,,,https://cir.nii.ac.jp/crid/1130000796554755200