1948 - Israel declares itself to be an independent state and a provisional government is established.
1948 - The murder of a three-year-old girl in Blackburn[?], England leads to the fingerprinting of more than 40,000 men in the city in an attempt to find the murderer.
... by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by ...