<P> In 1835 , James Bowman Lindsay demonstrated a constant electric light at a public meeting in Dundee , Scotland . He stated that he could `` read a book at a distance of one and a half feet '' . However , having perfected the device to his own satisfaction , he turned to the problem of wireless telegraphy and did not develop the electric light any further . His claims are not well documented , although he is credited in Challoner et al. with being the inventor of the `` Incandescent Light Bulb '' . </P>
<P> In 1835 , James Bowman Lindsay demonstrated a constant electric light at a public meeting in Dundee , Scotland . He stated that he could `` read a book at a distance of one and a half feet '' . However , having perfected the device to his own satisfaction , he turned to the problem of wireless telegraphy and did not develop the electric light any further . His claims are not well documented , although he is credited in Challoner et al. with being the inventor of the `` Incandescent Light Bulb '' . </P>
when was the first incandescent light bulb invented
when was the first incandescent light bulb invented
1835
1835