Except for the absurd saddle angle, that's a very nice Raleigh Record Ace, from the 50's or earlier. The shifter is SA pre WWII.
check out the 1955 time trial bike
http://www.classiclightweights.co.uk/raleighbooty.html
This is from 1948
http://www.classiclightweights.co.uk...nowles-rb.html
another 1948
http://www.classiclightweights.co.uk...aleigh-rb.html
At my gym, I met a guy that raced back in the 40's. Road races and they all ran fixed. He said he'd use his gloved hand on the front tire to slow down and also to knock thorns out of the tire.