Warning the Driver Behind with a Red Hand (Oct, 1921)

Warning the Driver Behind with a Red Hand

A NEW traffic signal embodies a glass tube containing neon at a pressure much below the atmosphere. When it is subjected to static electric pressure, it glows a deep orange red. The upraised red hand of warning does exactly what it should do—attracts the attention of the man behind you.

1 comment
  1. Stephen says: August 7, 20123:10 am

    That is a very rude gesture (called the “moutza”) in Greece and some other Mediterranean countries. It symbolises shoving a handful of ѕhіt into someone’s face.

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