Media Summary: This video isn't perfect (I'm sorry for the focusing issues- I'll have to just put the camera on a tripod and let it sit on manual focus ...
This video isn't perfect (I'm sorry for the focusing issues- I'll have to just put the camera on a tripod and let it sit on manual focus ...
HP 7550A pen plotter doing demo plot
Hewlett-Packard 7550A
Just a quick demo of my new
HP 7550A Demo
Circles on a HP 7550a pen plotter
More HP 7550A plotting
hp
The fastest
HP 7550A pen plotter
This video isn't perfect (I'm sorry for the focusing issues- I'll have to just put the camera on a tripod and let it sit on manual focus ...
If you own a vintage
hp
Reviving a neglected