You are offerding on an original Tektronix instruction manual for a TM5003 power module mainframe. It's part number is 070-2295-01. It is in new condition still in shrink wrap. It's sections include operating and specifications, maintenance, circuit description, adjustment, parts list and schematics. Ask questions before offerding. Thanks for looking. I accept Paypal, cash and check. I have a lot of 5K books I will be putting up today.