HP TC1100 in The Big Bang Theory - Season 3, Episode 23, "The Lunar Excitation" (2010)
Sheldon used his TC1100 to make notes during the experiment.
![](/snapshots/big_bang_theory_s3e23_tc1100_1.jpg)
![](/snapshots/big_bang_theory_s3e23_tc1100_2.jpg)
Sheldon used his TC1100 to make notes during the experiment.