Grid PalmPad 2351 - Estate Sale SOLD AS ISGood condition but I do not have an AC adapter so I have no way to test it. Some marks on screen as shown in pic.

GRiDPadwas a trademarked name for a series ofpen computingtabletsbuilt byGRiD Systems Corporation.

The GRiDPad 1900, released in 1989, is regarded as the first commercially successful tablet computer.Jeff Hawkinswent on to use the GRiDPad as a predecessor for his best known-invention, thePalm Pilot.

PalmPad2350/51/52NEC v20 (9.5MHz)2–2.5 MB RAMPCMCIA6.5", 640 × 400 B&W backlitMSDOS 5.0, PenRight2.8lb (1.3kg), 9 x 6.25 x 1.9"
(318 x 235 x 38 mm)Mar 19921st Wearable; Wireless 902-928 spread spectrum radio on 2352Inventory in cellar on metal rack near slider