Reference code:
DP A A5 2
Title:
Patent Specifications
Date of creation of material:
18.09.1917 - 29.03.1927
Level of description:
File
Administrative note:
- - -
Custodial history:
The records have been retained by the World Data Centre at the Rutherford Appleton Laboratory in Chilton, Oxfordshire since September 1979. The records previously belonged to the Appleton Laboratory at Ditton Park, Slough.
Scope and content:
Provisional and complete specifications by E.V.Appleton, H.A.Thomas, J.F.Herd, L.H.Bainbridge-Bell and R.A.Watson-Watt.
There are nine separate patents and some have relevant correspondence attached.
System of arrangement:
The patent specifications are arranged chronologically.
Conditions of Use and Access
Access:
Unrestricted access
Conditions on reproduction:
Copyright conditions apply
Physical condition:
The papers are worn and faded.
Notes:
The patent specifications dated before 1920 are archived in this file to maintain the original order and consistency of the information.
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