Hisdates•ComImportant Inventions In The Year 1940
Monday, 29 May 2023
English physicists John Randall and Harry Boot develop a compact magnetron for use in airplane radar navigation systems.
Automatic dishwasher is manufactured.
Jan12 Jul13 Dec21 0840 May29 1491
Oct09 1233 Nov27 1357 1189
1103 1816 Aug15 Nov02 0409
Jul14 Nov15 1827 0910 1368
1893 2018 Sep20 1572 1575
May30 Jul17 Dec23 0401 Oct04