1970 wiper tubes

OK GUYS ...A little advise please, I just aquired a 70 convertible, I just realized there is no windshield washer hooked up, I new the pump was missing, and, figured I could always rig something up.....a generic electric pump for example, then I realized I could not find where the water would squirt out from! Just looked at one of the corvette parts catologs, and found there are supposed to be tubes up wiper arm for dipersing windshield washer fluid. I would not even bother, although I believe I will need the washers to work for a sticker. I was thinking of just running tubes up the washer arm and making a small spray orfice out of aluminum, I know the parts are available....and ....not to sound TOO CHEAP, but costs are getting out of hand, and, I will never use them as This car will not see anything but a shiny summer day. Any of you guys rig something clever up........give me some idea's please  Thanks E.M.

Sounds like someone has changed your wiper arms...the tubes should be made onto them...
On the later cars, like my '74(and the '85, for that matter!), they are simply rubber hoses running up the arm, instead of the metal tubes.
You might try looking on e-bay...there are some good deals all the time...