THE DOUBLE-SPRING BALANCE

DOUBLE-CRANE SCALESAll familiar household spring scales for weighing products, mining, fishing, hunter. This simple device is designed to weight up to 10 kg. Mu and if you need to weigh a load more heavy? Take your neighbors the same spring balance and act two at the same time: the sum of them is the desired weight.
 
P. SHARUPICH, Orel

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