for your consideration is a huge lot of vintage 60's and 70's tektronixs oscilloscopes plug-in units. you will receive 88 plug-in units. lots of different models such as 151, tu-2, type m, 3a72, 3a3, type c, ca plug-ins, type z and lots more. there are no tubes in any of these units. some will require repair work and some should work fine after replacing the tubes. nice lot here. selling all of them in " as is " condition. please look at the photos closely to make sure this is what you... want. i will not sell individual plug-ins, this sell is for the whole lot. with shipping cost this comes out to about 18-19 dollars per plug-in, pretty cheap. they will ship out by freight please wait till the end of the sale so i can determine your shipping cost. i will use fed-ex. should be in the neighborhood of 250-300 dollars shipped by freight. if you need more photos please send me your phone number so i can send you more photos.