Inventions of the 1940s -3
Replayed from a 1940s era comic
Notice – this is from a 1946 comic
Here are a few more new inventions of the 1940s. The airplane baggage conveyor belt is used at all major airports and aluminum garage doors have replaced wooden garage doors on virtually all new homes and buildings for probably at least twenty years. My home was built in 1988 and it was not a cheap home, and it came with wooden doors.
Vista dome railroad cars are common, but the train itself has taken a back seat to airplanes so you don’t see many trains like in years past. Toaster ovens are common and may be called by several different names.
One of the inventions you don’t see or hear about nowadays since it has not become popular. That’s the colored fluorescent bulbs. There are, however various shades of white fluorescent bulbs, such as soft white, and grow light bulbs for indoor growing of plants.
Fluorescent Lamps
Two “black light” ultraviolet fluorescent lamps.
In addition to the white bulbs, there are ultraviolet fluorescent bulbs which are used in some laboratory uses, some medical applications, and for the regular person for scaring away bugs and in fly traps. In the fly traps the flies or bugs are attracted to the uv(ultraviolet) lamps and an electric grid around the lamp electrocutes them. Fluorescent uv or black light bulbs are a deep purple color, but I think when they say multi-color fluorescent bulbs they meant regular colors and not the specialty uv bulbs.
Fluorescent lamps emit a small amount of ultraviolet (UV) light. A 1993 study in the US found that ultraviolet exposure from sitting under fluorescent lights for eight hours is equivalent to only one minute of sun exposure. Very sensitive individuals may experience a variety of health problems relating to light sensitivity that is aggravated by artificial lighting.
Ultraviolet light can affect sensitive paintings, especially watercolors and many textiles. Valuable art work must be protected from light by additional glass or transparent acrylic sheets put between the lamp(s) and the painting.
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