1942 Science Asahi May Issue – IJN Naval Technical Research, Hull Tests For Sale

Thank you very much for your interest in this item.

This is the May 1942 (Showa 17) issue of Science Asahi —

published in the early months of WWII, featuring the special report:

“The Science Behind the Invincible Imperial Navy.”

This issue provides an exceptionally rare inside look at the

Naval Technical Research Institute (NTRI), the core of Japan’s wartime naval R&D.

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Highlights / Contents

• Hull Resistance Tests — large towing tanks, model ship trials
• Propeller Cavitation Experiments — early hydrodynamic research
• Stability & Rolling Tests
• Turning Performance Studies
• Inside the Naval Technical Research Institute — equipment, labs, water basins
• Visit to the Army Signal School
• Additional wartime science articles:
  
• Schlieren photography
• Artificial detonators
• Naval communications
• Southern Area scientific development, etc.
• 
  

This issue contains numerous original photographs of naval engineering experiments, water tanks, research facilities, and technicians at work.

Such primary-source documentation of Japan’s wartime naval engineering is very difficult to find today.

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Historical Value

For collectors and researchers of:

• Imperial Japanese Navy history
• WWII shipbuilding and naval engineering
• Hydrodynamics / cavitation research
• Military technology development
• Pre-war Japanese scientific publications

this is an invaluable reference.

Owning this issue means owning a rare piece of Japan’s wartime naval research history.

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Condition

• Cover: minor wear, light stains, age toning
• Pages: age toning and light marks
• No major tears or missing pages
• Overall well-preserved for an 80-year-old wartime magazine

We can worldwide delivery

FedEx or Japan post

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