The exact value of an electric hobnail milk glass lamp is actually dependent upon a number of factors. Some of those factors would include the age and condition of the lamp.
Is it electric or oil ? How tall and what is the condition, any chips or cracks ? What style of lamp, ie gone with the wind, fairy, etc. Do you have any history on it ? The value depends on all of the criteria mentioned.
A Tiffany lamp is a very expensive lamp. Tiffany is renowned for their glass and precious stones. A Tiffany lamp will have a lamp shade full of beautiful glass.
The first glass light bulb was invented in 1841 by Frederick DeMoleyns. However the first electric lamp was invented in 1806.
If nitrogen gas is used instead of an inert gas in the glass bulb of an electric lamp, the nitrogen gas can react with the filament material and cause it to deteriorate faster due to oxidation. This can result in a shorter lifespan for the electric lamp. Additionally, there might be a risk of fire or explosion due to the presence of oxygen in the nitrogen gas.
Glass melts at between 900 degrees F and 1650 degrees F while the lamp operates at an estimated 100-130 degrees F, however, differential temperature changes, especially rapid changes in temperature may cause a glass surface to crack. The lamp is made of glass, and the bottom of the lamp usually has a felt pad, so there is no mechanical reason why the lamp may not be used on a glass surface except it may slip, and the manufacturer's instructions specifically state DO NOT operate the lamp on glass surfaces.
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It was called the T. A. Edison electric - lamp. In Europe it was called the Ediswan lamp.
The glass of a kerosene lamp while glowing is hot. When water falls on it, there is a sudden change in temperature, which causes the glass to break.
When you turn on a lamp, electric energy is converted into light energy and heat energy. The electric current flowing through the lamp's filament generates heat, which in turn produces light.
the three primary products sold by U.S. electric lamp manufacturers are incandescent, fluorescent, and electric-discharge lights and bulbs.
your lamp was made by Mutual Sunset Lamp Company. High quality maker but not a lot of re-sale value. Maybe around $50 estimate on the big internet auction site; antique store would charge $75 or more.
A bulb in a lamp converts electric energy into light and heat energy.