Identity area
Reference code
THMG/D/33
Title
Folder containing bundles of calculations, all undated, some with titles
Level of description
File
Extent and medium
1 bundle
Context area
Name of creator
Repository
Content and structure area
Scope and content
'Hopkinson bar'
'Pressure on ground due to passage of an aeroplane 300' overhead' (not in Thomson's hand)
'Suggestion for making a channel safe from magnetic mines'
'Torpedo Bombsight'