National Geographic : 1944 Sep
Salt for China's Daily Rice 335 To Prevent Cracking, Bamboo Pipes Are Wrapped with Flexible Bamboo Tanks, filled by buffaloes or donkey engines, are elevated to assure flow by gravity. Spliced timbers support the towers. One bamboo pipe line at Tzeliutsing is five miles long. Turban and straw are local-styles. Acme A Government Weigher (Hand on Cord), with a Buyer (Skullcap), Assesses the Salt A rope, serving as fulcrum, supports the balance bar. A sliding weight on the long arm balances salt on the short end. For millenniums the salt monopoly has paid revenue to China. The tax secured foreign loans.