1. 
   B 5
   B 5 was a Norwegian submarine of 420 tons displacement launched in 1929. The B 5 was powered by diesel engines providing a top speed of 14 knots and electric motors providing a top speed of 11 knots submerged. The B 5 carried a complement of 23 and was armed with one 3 inch gun; two bow 18 inch torp...
   Found op http://www.probertencyclopaedia.com/browse/RB.HTM
   
   
2. 
   B-25
   U.S. medium bomber used during World War II. The B-25 was designed by North American Aviation, Inc., in response to a prewar requirement and was ...
   Found op http://www.britannica.com/eb/a-z/b/1
   
   
3. 
   B-25
   The North American Mitchell B-25 was an American medium bomber used during the Second World War. The B-25 was a mid-wing cantilever monoplane powered by two Wright Cyclone R-2600-13 two-row radial air-cooled engines providing a top speed of 485 kmh and a range of 4240 km. The B-25 carried a crew of ...
   Found op http://www.probertencyclopaedia.com/browse/IB.HTM
   
   
4. 
   B5
   ISO paper size for poster production 176 x 250mm.
   Found op http://www.tso.co.uk/solutions/publishingsolutions/printproduction/printglo
   
   

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