Lot of 4 Calculators HP 19B II, 12C, 28S, Texas Instruments TI-83 Plus For Parts

Lot of 4 Calculators HP 19B II, 12C, 28S, Texas Instruments TI-83 Plus For Parts. TI-83 Plus works but does NOT come with a cover. The Vintage HP 12C was tested and also works. The Vintage HP 19B II and 28S DO NOT work and both have coroded battery compartments. Pre-owned condition (see all pictures for more detail), smoke free home, ships quickly!