Saferon City has the SilphCo. building in it on Pokemon Leaf Green and Pokemon Blue an Pokemon Yellow hope I hellped. Sent in By, Brandon Sands
Saffron City.
Get the silph scope at silph co in Saffron city. Then you'll be able to fight the ghosts.
In Silph Co. in Saffron city. After you get to the top of the building.
Somebody will give it to you at the Silph Co. in Saffron city.
you get it in silph co which is in saffron city. after the boss fight, the leader of silph co gives you one.
He's first at the team rocket hideout in celadon city, then silph co, then the viridian city gym.
He can be found at the game corner, silph co and the viridian city gym.
You receive the master ball in leafgreen after you stop team rocket in silph co. In saffron city as a reward from the president of silph
Mt. Moon, Pokemon Tower, Rocket Hideout, Silph Co., Fuchsia City, Victory Road, and Lost Cave.
Beat team rocket in the game corner and at Pokemon tower (in celadon city and lavendar town) once you do so get the 5th badge then go to saffron city you should be able to go in silph co now.
in saffron city big building
You should get the Master Ball by talking to the President of the Silph Co. in Safron City after you saved him by defeating Giovanni.