WW2 Japanese Leather Case/Box ??

[Tony75]

Hi
does anyone know what this is for
My research came up empty I looked under japanese radio equipment but found nothing the I thought maybe for some type of signal device
thank you for your time and help
Tony

(anyone know a good website for old japanese body armor & ww2 field equipment )
thank you

[Tony75]

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[Tony75]

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[Tony75]

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[Nick Komiya]

Type 98 Circuit Tester

[Tony75]

Thank you

Thanks again Nick you have been a big help lately
Tony

[NLF]

neat little volt meter you found

[Tony75]

Thank you

Thank you