| OCR Text |
Show Fuel Vaporability. Motorists are often puzzled to know whether the fuel that they are c-t i inir is of a reasonably volatile qrade, as such things g-o at the present time. The folio fol-io wing- si mi tie test will give some hint in this connection: four a few drops of the grapolin1 on a shet of elf an win to paper and note how Ionic it takes to dry off and whether it leaves a nrr'-asy stain or discoloration. If it dops it may known as a heavy fuel coaialnintr nonvolatile non-volatile impurities. |