1920 Science & Technology Facts:
- John T Thompson patents the tommy-gun.
- The electric hand iron goes on sale in London for the first time.
- Swiss psychiatrist, Hermann Rorschach, develops the famous "inkblot test."
- Harry Burt, at his Good Humour Bar, sells first ice cream on a stick.
Posted by ALCHEssMIST.
Alchemipedia | Home | Index | AZ | Numbers | Years | Animals | Architecture | Art | Business | Fashion | Films | Food & Drink | Games | Health | History | Literature | Media | Music | People |Politics | Science | Sport | Technology | World |