| OCR Text |
Show Measuring a Wink. How fast can n man wink? Ono who Is Interosted In this fascinating sun-Ject sun-Ject has mado experiments In connection connec-tion with It, and successfully measured tho tlmo occuplod by tho sovoral phases of tho movement. Ho says: "Tho mean duration of tho doscont of tho lid Is Hovcnty-flvo to nlnety-ono thousandths of a second. Tho Interval Inter-val whllo tho eye Is shut was In ono enso only fifteen hundredths of n second. sec-ond. Tho rising of tho lid occupied seventeen hundredths of a second. A spoclally-nrranged photographic np-paratus np-paratus was used for tho experiment." |