franjo hanaman

franjo hanaman

Franjo Hanaman – Inventor Of The World’s 1st Commercially Viable Light Bulb

Total Croatia News

February the 26th, 2024 – Croatian inventor Franjo Hanaman became famous worldwide for inventing the world’s first applied electric light ...

Franjo Hanaman, Inventor of World’s First Commercially Viable Light Bulb

Total Croatia News

The Croatian inventor became famous worldwide for inventing the world’s first applied electric light-bulb with a metal filament in 1904