A technical marvel in the making

Base plate with riveted axesStarting with the base plate, the individual components are assembled step by step at specially equipped work stations ...Escapement ready for assembly
The base plate is fitted with the shutter blades.... The base plate is fitted with the shutter blades ...
Assembly of the diaphragm sectors... The diaphragm sectors are fitted into the aperture ring and the casing ...
A diaphragm, mounted... A diaphragm which will subsequently be mounted in front of the shutter ...