- CollectionD - University Archive Miscellaneous Donations (D-Numbers)
- SeriesD284 - Deposit relating to Reverend Samuel Jackson, Vice Principal of St Paul's and Decimal Association lecturer
- ItemD284/1 - Printed list of anonymous customary measures and weights
- ItemD284/2 - Relative dimensions of the meter and derived units
- ItemD284/3 - Rough calculations and measurements, Parkers Wrench and the Parkerian dilemma
- ItemD284/4 - "Notes on the Metrical system of weights and measures" by Alexander Siemens
- ItemD284/5 - Letter to the Decimal Association from Clement Talbot Limited on screw threads
- 8 more...