Condenser Double Surface(Davies):-
Catalogue No. Effective Length mm Socket Size Cone Size
212/01 100 B 10 B 10
212/02 150 B 14 B 14
212/03 150 B 19 B 19
212/04 200 B 19 B 19
212/05 200 B 24 B 24
212/06 200 B 29 B 29
212/07 200 -- B 19
212/08 200 -- B 24
212/09 200 -- B 29
212/10 200 -- B 34
212/11 250 B 19 B 19
212/12 250 B 24 B 24
212/13 250 B 29 B 29
212/14 300 B 19 B 19
212/15 300 B 24 B 24
212/16 300 B 29 B 29
212/17 400 B 19 B 19
212/18 400 B 24 B 24
212/19 400 B 29 B 29
212/20 500 B 24 B 24
212/21 500 B 34 B 34
212/22 600 B 34 B 34