Post 1992 codes and expansions
The documents below detail the coding schema employed by the Museum of London in the post 1992 era. Although this was a time when a number of archaeological contractors were working in Greater London, archive standards stipulated the use of these codes for all work undertaken.
The codes are set out by generic type, with the year indicating time of use.
[All links below open in a new window]
Building material
Clay Tobacco Pipes
Coins
Conservation
Environmental
Flint
Glass
Object
Period
Phasing
Pottery
- Fabric codes, 1997 (PDF 187 kb)
- Post-Roman Fabric codes, 1993 (PDF 422 kb)
- Post-Roman pottery codes, 2003 (PDF 223 kb)
- Physical characteristics, 1992 (PDF 80 kb)
- Prehistoric pottery codes, 1995 (PDF 38 kb)
- Roman fabric codes, 1993 (PDF 333 kb)
- Roman fabric and form codes, 2002 (PDF 75 kb)
- Roman decoration codes, 1998 (PDF 44 kb)
- Samian kiln codes, 2004 (PDF 20 kb)
- Spot dating codes, 2004 (PDF 28 kb)
Samples
Turnshoe
Worked stone
Note: this documentation is supplied on the understanding that the code schema have been subject to ad hoc modification over time. Consequently, the schema employed in the data may vary on occassion from the schema as outlined in the documentation files above. Such variation, however, should be minimal.
On occasion, therefore, you are advised to consult the 'Current codes and expansions' page or 'Pre 1992 code and expansions' page where schema do not exist for the particular components of your data set, or pre date it.
