Please teach the method of seeing the chart

[y9292212]

Please teach the method of seeing the chart in the 1970's and the 1980's.

My wanting to verify is at the week.

[Linuxser]

Hello,

Nothing really changed a lot. But to see the methods.

For second part of 80's

For 80's (early days)

For 70's

And late 60's as well