https://m.youtube.com/watch?v=KZJJ2Czudw4
Jan
08
Jan
08
https://m.youtube.com/watch?v=4dX_vdPjQIo
Jan
08
https://m.youtube.com/watch?v=WMgMNEP4kls
Jan
08
https://www.youtube.com/watch?v=ylHEPBa_C74
Jan
08
https://m.youtube.com/watch?v=eFoE_lCCbn4
Jan
08
https://m.youtube.com/watch?v=_3rYZy9vcuE
Jan
08
https://www.youtube.com/watch?v=mJCr2l56fDc
Jan
08
1825- The American who popularized the concept of interchangeable parts, Eli Whitney, was born.
Jan
07
https://m.youtube.com/watch?v=CzYLfbIpGZk
Jan
07
https://m.youtube.com/watch?v=4LQAPV1lsYk