Program bar for National Class 31-32 accounting machine
1884-1974
Program bar for National Class 31-32 accounting machine
1884-1974
Program bar for National Class 31-32 accounting machine
1884-1974
'Personal Record Keeping' command module (boxed) for Texas Instruments TI 99/4A personal computer, c. 1982
circa 1982
Program bar for National Class 31-32 accounting machine
1884-1974
Program bars for National Class 31-32 accounting machine
1884-1974