crwdns2933803:019crwdne2933803:0
crwdns2933797:0Xavier Jiangcrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Xavier Jiang
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| + | [* black] Let's pause here and examine that tape drive. |
|---|---|
| + | [* black] The buttons (fast forward, fast backward, play) control the location of the white gear. |
| + | [* black] The white gear then move to engage with different gears, which drive the two spindle at different speeds. |