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HP 7440A

Hp 7440A advertisement image

todo:

• ☑ needs electricity cable
• ☑ check if it works with 230V
  • yes, it works with 230v, but it needs a special power supply (0v - 10v - 20v) - info in the hp museum
• ☑ search for operation manual
• ☑ 3d print pen holders
• ☐ mod: cutout plastic to use regular pens