I've noticed that on the UK page of the encyclopaedia that Central Scotland police are still listed as a current police force. I've listed all the ranks now used by Police Scotland, the Scottish Fire Brigade and Scottish Ambulance Service.
Here are the ranks and descriptions of their insignia:
POLICE SCOTLAND
(Polis Scotland in Scots; Seirbheis Phoilis na h-Alba in Gaelic)
Chief Constable
(Crown of Scotland over tipstaves)
Depute Chief Constable
(Bath Star over tipstaves)
Assistant Chief Constable
(Tipstaves)
Chief Superintendent
(Crown of Scotland over Bath Star)
Superintendent
(Crown of Scotland)
Chief Inspector
(Three Bath Stars)
Inspector
(Two Bath Stars)
Sergeant
(Three point-down chevrons over identity number on epaulette)
Constable
(Identy number on epaulette)
SCOTTISH FIRE & RESCUE SERVICE
(Scottish Fire & Rescue Service in Scots; Seirbheis Smàlaidh & Teasairginn na h-Alba in Gaelic)
Chief Fire Officer
(Two impellers over wreathed impeller)
Depute Chief Fire Officer
(Impeller over wreathed impeller, over metal bar)
Assistant Chief Officer
(Impeller over wreathed impeller)
Area Manager
(Wreathed impeller)
Station Manager
(Three impellers)
Watch Manager A
(Two impellers)
Watch Manger B
(Two silver bars)
Crew Manager
(One silver bar)
Firefighter
(Plain epaulette)
SCOTTISH AMBULANCE SERVICE
(Scottish Ambulance Service in Scots; Seirbheis Charbadan-eiridinn na h-Alba in Gaelic)
Chief Officer
(Crown of Scotland over Staff of Aesculapius tipstaves)
Depute Chief Officer
(Bath Star over Staff of Aesculapius tipstaves)
Assistant Chief Officer
(Staff of Aesculapius tipstaves)
Chief Divisional Officer (various appointments)
(Crown of Scotland over Bath Star)
Divisional Officer (various appointments)
(Crown of Scotland)
Senior Officer (various appointments)
(Three Bath Stars)
Officer (various appointments)
(Two Bath Stars)
Leading Hand
(Single Bath Star)
Paramedic
("Paramedic" on epaulette)
Emergency Medical Technician
("Emergency Medical Technician" or "Ambulance Technician" on epualette)