Metadata
Author: WikiMatrix
Data
English[en]
When metering pumps came into use, a small glass globe with a turbine inside replaced the measuring cylinder, but assured the customer that gasoline really was flowing into the tank.
Chinese[zh]
當计量泵投入使用後,頂部的量筒改由一個內含渦輪的小玻璃罩取代,但確保了顧客的汽油能確實的流入油箱。