Interesting how they did this.
A splendid exercise in anachronism. Always wondered why European proof houses never adopted hydraulic testing for the raw barrel blank testing. Tank and cylinder testing has been hydraulic for over 100 years. More accurate and cheaper too.
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A splendid exercise in anachronism. Always wondered why European proof houses never adopted hydraulic testing for the raw barrel blank testing. Tank and cylinder testing has been hydraulic for over 100 years. More accurate and cheaper too.