The machine is hidden in the Cerulean Gym
u got to talk to the manager of curulins city's powerplant in kanto
dowsing machine
Go to the Cerulean gym. Press A next to one on the piles of innertubes. On the west side of the gym i think.
you go to the gym and look around its near the tubes in the back
It is in the Cerulean City gym. Click on one of the inner tubes and you will obtain the Machine Part.
well if you already have the machine part from one of the inner tubes in the gym go to the power plant again and talk to the manager and he'll thank you and give you a Tm
easy!go to mistys gym and tap A on the floaty s or tubes or whatever
Run to the golden bridge to battle him. He'll tell you where the machine part is. When you get it, go to the power plant and give the part to the guy who asked for it.
there is a square bit of water in mistys gym. go to the left of it at the bottom or top of it click as if you were going to surf it is located there
In a house that's in Ecruteak City.
You do not receive the pokeflute in Pokemon heartgold. After you get the machine part in misty's gym and returned it to the powerplant you can get the kanto expansion card for your pokegear radio at laventer town radio tower. The pokeflute station is near the top
You can get This Machine during the unmarked quest Dealing with Contreras. It is givin to you at the end of the quest by either Daniel Contreras or Carrie Boyd depending on how you complete the quest.