Promotion path of British Admirals of the 19th century under usage of Royal Navy flags of 18th century. Note these were ensign flags of the coloured squadrons and not the different command flags each flag officer flew. There were also Commodores of the Red, White and Blue. The rank of Admiral of the Red did not exist prior to 1805.
This file was derived from:

 BritishAdmirals.jpg: 
British-Red-Ensign-1707.svg: 
British-White-Ensign-1707.svg: 
British-Blue-Ensign-1707.svg:
File:BritishAdmirals.jpg: OberRanks
File:British-Red-Ensign-1707.svg: Wangi
File:British-White-Ensign-1707.svg: Paul Dobson (Martocticvs)
File:British-Blue-Ensign-1707.svg: Wangi
derivative work Master Uegly (user talk)