Bartamos - I did a Google search and it led me to the Carbs Unlimited page , not sure exactly how I did do that but I was hoping to give Snowman51 something to "look at" and compare. Here is a page on the CU website that has the Rochester B and the Monojet on a page. I would have responded quicker, but I've been out of commission for a few days.
http://www.carburetion.com/CarbID/RochesterID.htm