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SZ/FS/1/4/12 - The density of fire necessary for neutralising a battery, [undated]

Reference code
SZ/FS/1/4/12
Level of description
Item
Title
The density of fire necessary for neutralising a battery, [undated]
Date/s
[194?]
Quantity & Format
2 leaves
Scope and content
Gives a figure of "12 to 1 concentration of 25-pr for 5 minutes" as providing the minimum desirable period of neutralisation, 20 minutes.
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