Museum of the Broadcast Television Camera


Marconi MkIV Image Orthicon camera type BD863

Section under construction more to be added.

Camera body:-

Page 01Camera front view, cable side
Page 02Camera front view, focus side
Page 03 Camera Side open showing scan unit
Page 04Camera side open showing head amplifier
Page 05
Page 06
Page 07
Page 08
Page 09
Page 10
Page 11OCP top View   (Operational Control Panel)
Page 12OCP bottom view
Lens systems:-
Page 13Lens and iris drive layout
Page 1412.5 inch TV88 Lens
Page 1540 inch folded Lens
Page 16A Zoom Lens for the Marconi with a TV88 Mount.
Page 17

Turret Interference Chart
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27Travel Case
Page 28 spare page
Page 29spare page
Other items:-
Page 30 Camera in operation on US Navy aircraft carrier.
Page 31
Page 32 Camera in operation #1
Page 33 Camera in operation #2

Extra pages:-
Page 34 (this line is a spur, returns to here)
Page 35 (this line is a spur, returns to here)




DataSheet :-          Datasheet

Press Review:-    IBE Report on the Marconi Mk IV and the 4.5 inch I.O. tube

External links:-

Restoration and preservation:-


E-Mails received:-


Brochures:-          Brochure A from 1961 catalogue

                              Brochure B # TD 276/2


Adverts:-              Marconi MkIV advert # 1





Survivors List:-


Circuit Diagrams:-    Camera type 3392 WZ.23904/D 3inch Image Orthicon

                                   System Block Diagram



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