Air Defense Luminous Badges/防空夜光徽章

Universal badge.

Size 38.8 x 14.9 mm.

防空 - Air Defense

Only original case allows you to get accurate attribution for these badges.

晝夜兩用 - For Day and Night
明暗二重奏 - Light and Dark Duo

Stamped with

普及 - Universal

防空夜光徽章 - Air Defense Luminous Badge

實用新案願中 - New Patent Pending [currently applying]

 

Full set with informational leaflet and original cellophane package.

Edge stamped with N (probably for 普 - Normal/Ordinary in 普及 - Universal).

Translation of information leaflet.

御注意

夜光ラヂウムの作用は吸收したる光りを
暗き塲所にて發光るものに付御使用に
當り電 燈(晝は太陽)の間近にて一分間
位あてゝ戴けば非常に強烈な光りを吸收
致します

Attention

The effect of luminous radium is to absorb the light.
For use with glowing objects in dark places.
1 minute near the electric light (or the sun at dawn)
If you put it on, it will emit a very intense light.

 

Another cased specimen.

Photos courtesy of the owner.

Size 38.1 x 20.8 mm.
Weight 6 g.

 

Special badge.

Photos courtesy of the owner.

Size 22.1 x 24.8 mmю
Weight 4.5 gю

防空 - Air Defense

Another badge in original cellophane package with original case and informational leaflet.

晝夜兩用 - For Day and Night
明暗二重奏 - Light and Dark Duo

Stamped with

特 - Special

防空夜光徽章 - Air Defense Luminous Badge

實用新案願中 - New Patent Pending [currently applying]

Stamped on the edge 特 - Special.

 

Nice collection of luminous badges.

Photos courtesy of the owner.