https://www.youtube.com/watch?v=51TThlcEr9k
Jan
18
Jan
18
https://www.youtube.com/watch?v=QsVUAucuUOw
Jan
18
https://www.youtube.com/watch?v=5fcEntH5a5I
Jan
18
1861- Hans Goldschmidt, inventor of the thermite welding process, is born.
Jan
16
https://m.youtube.com/watch?v=ieEWHsuFM9o
Jan
15
https://m.youtube.com/watch?v=K0CVY7hEsdI
Jan
15
https://m.youtube.com/watch?v=GwWakExas9g
Jan
15
https://m.youtube.com/watch?v=Xep-9a0CcSM
Jan
15
https://m.youtube.com/watch?v=dWHyjD6R0jc
Jan
15
https://m.youtube.com/watch?v=zbdf1Kuu6eY