موسوعة الاختراعات ( 426 ) المصباح ( Flashlight )

المصباح ( Flashlight )

يعتبر آمه أرجان ( 1755 – 1803 ) السويسري المكتشف الحقيقي للمصباح

فقد صنع أول مصباح في إنجلترا عام 1804.

صنعه من الزيت مع مجرى تيار هواء وفوقه مدخنة من زجاج وفتيلة من قماش أسطوانة مجوَّفة.

أما خزان الزيت فكان في مكان أعلى من الفتيلة.

وكان الفرنسي انطوان كينكي ( 1745 – 1803 )

قد اكتشف مصباحا ً مشابها ً لهذا المصباح.

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

المراجع :

تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png
تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Inventions1E.png
تحتوي هذه الصورة على سمة alt فارغة; اسم الملف هو Screenshot_2020-04-08-thumb2-water-drops-texture-4k-black-background-water-drops-water-backgrounds-jpg-صورة-JPEG،-710×444-....png

جزيرة الأمل || Hope island

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