need help with emisions garbage

[heavy71chevy]

Ive been working on my new used 64 327 and im putting my old hei off my old 350 as well as a edelbrock performer and holley 4 barell but when i took off the stock setup theres some time of canister under the intake in the top end and what Is this thing and how do I get rid of it? and also I have a truck with manual brakes and was wondering how to go about plumbing the vacuume system just to get it to run and what all needs to be hooked up...thanks in advance and sorry about the long post yall,
Hvy71