POLICE PA EQUIPMENT - Made by Ericsson
POLICE
KIOSKS - Overview
POLICE
SYSTEM PA 101 - GPO Overview of all PA100 series
POLICE
SYSTEM PA 150 - Ericsson Overview
POLICE
SYSTEM PA 150 - Call Points - Description
POLICE
SYSTEM PA 150 - Call Points - Street type
POLICE
SYSTEM PA 150 - Introduction
POLICE
SYSTEM PA 150 - Installation Details
POLICE
SYSTEM PA 150 - Signalling Lamps and Bells
POLICE
SYSTEM PA 150 - Street Pillars - Description
POLICE
SYSTEM PA 150 - Street Pillars - General
POLICE
SYSTEM PA 150 - Switchboards
POLICE
SYSTEM PA 450 - General Description
POLICE
SYSTEM PA 450 - Installation of Call Points
POLICE
SYSTEM PA 450 - Overview
POST
PA No. 1
Click here - for a paper on "100 years of the Police Box" by Robert W Stewart - click here for his web site
For a lot more information than I can supply on Police Boxes go to:-
http://www.members.lycos.co.uk/rassilon/policebox/??