I am looking for information and especially photographs of the following WW11 Boom Defence Vessels in which my Father served 1942 to 1946.

Barova, Penant No. Z 94, Launched 5th July 1941, Hull
Bardell, Penant No. Z 195, Launched 12th Jan 1942, Blyth
Night Rider, Purchased by the Admiralty Jan. 1940
Consbro, Hired as Boom Defence Vessel Jan. 1940

Any information greatly appreciated.

Thank you

R Calder