No hay artículos en el carro
No hay artículos en el carroThe basic design of the incandescent lamp has not changed much since the late 1800s, when Thomas Alva Edison successfully produced the fist operational electric light bulb. The filament inside an incandescent lamp must be protected so that oxygen does not reach it and cause it to evaporate on contact. Most incandescent lamps are either vacuum-sealed or gas-filled. Incandescent lamp filaments are made of tungsten. Tungsten is a metal that can operate at very high temperatures without evaporating too quickly an resulting in early lamp failure. Incandescent filaments only convert about 10 percent of the energy used into visible light, so it is necessary to use a material that can withstand extremely high temperatures. Most lamps use a coiled filament design, which has been found to be stronger and deliver better performance.
AKAdonBrewer
Comentado en los Estados Unidos el 16 de marzo de 2025
Fits perfectly.
Maven-at-large
Comentado en los Estados Unidos el 11 de marzo de 2025
Bought to replace the bulb in my 50+ year old Anana Radarange (microwave). Size is right. I had to guess at the wattage of the one that had burned out, and I guessed rightWorks.
Tammie N
Comentado en los Estados Unidos el 2 de febrero de 2025
Works well with the vintage view master projector.
Chris Dobyns
Comentado en los Estados Unidos el 10 de enero de 2025
When the illumination bulb for my 50 year old Singer sewing machine finally failed, I was happy that this two-contact terminal, bayonet style base 25W incandescent light bulb was available. It was a perfect fit, with just the right wattage/illumination.
Richard A.
Comentado en Canadá el 19 de marzo de 2017
Works as designed, shipped promptly
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