The Correct TIME according to the B.T. Ceasium Atomic Clock in
Baynard House London!
This is one of TWO Atomic clocks, that are used to synchronize P.C.M. routes and links,
so that System X and AXE10 digital exchanges on the network, can communicate with each other!
Remember! click on back page to return, as these are
"open ended" Hyperlinks!
Click here for strowger SOUNDS!
Picture of one of my vory 300typesI
Picture of my black 200 type with bellset.
A Sheffield M.D.F.Exchange Main distribution frame in 1976.
A Strowger final selector in attercliffe Exch sheffield.
A Sheffield Engineer at a Test Jack Frame.
