Thanks for the info This starts the Camera Count (Complete Camera Chains)
(Number Made ?)
Austraila = 2B,s Chains + 1A Head (two lenses and CCU's, and 3 PSU's)1 Chain Powerhouse Museum (Models ?)
New Zealand = 2 Chains Model A/B 3 Heads (Models ?)
All Chains with Marconi Shot boxes & Angl Lens
England = 4 (golden-agetv.co.uk) Full Chains ? . tvcameramuseum has 1 Chain ?
CZ = 2 Chains (
http://historicka.ic.cz/Kamery/mark8/) (Models A)