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[Memorandum of Records on Armor Penetration by Projectiles]

AI summary (β)
This material appears to be a memorandum of numerical calculations and records concerning projectile armor penetration and warship armor and protection; penetration values, angles, thicknesses, figures apparently indicating velocity, logarithmic calculations, and tabular entries survive in fragmentary form. There are multiple references to “Navy” as a principal organization, but no personal names or specific ship names can be confirmed. The date and publication information are unknown, though numerical notations such as “2-6-12” and “1911” appear. Keywords: projectiles, armor penetration, armor, protection, Navy, warship construction, numerical calculations, logarithms, test recordsAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
Item ID
2d990a16-97bf-4bdf-9e17-b5903e76cd5e
Catalogue ID
22390101
Card catalogue
[Materials Relating to Protection against Projectiles] 2 of 2
Category
軍艦構造:装甲・防御
Holder
東京大学柏図書館
Year registered
2007
GCV entities
Document / Diagram

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