WAnalytical balance
WAssyrian lion weights
WCheck weigher
WElectrochemical quartz crystal microbalance
WMicrobalance
WMultihead weigher
WNational Union of Scalemakers
WRoberval balance
WSteelyard balance
WTriple beam balance
WTron (Scotland)
WTruck scale
WW & T Avery
WWeigh lock
WWeighing scale