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Soft Light Inventor Dies". The Tampa Tribune. Tampa, Florida. January 9, 1977. p.12 – via Newspapers.com .

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Festoon Lighting refracts the light is a magical way, they add a friendly happy type of light to any space indoor or outdoors. Without the presence of proper home lightings, your room décor wouldn’t have the same ambiance or feel. But with so many different kinds of bulbs available and their particular functionality, it is quite difficult to find the right one amongst them. Notable People". The Estates of Cypress Trace. 2017. Archived from the original on December 23, 2017 . Retrieved December 21, 2017. Marvin Pipkin is best known as the inventor of the inside-frost process of bulbs for incandescent lamps, which was developed in 1925, as well as the improved process developed in 1947, which consisted of an application of silica to the inside of a bulb. When Pipkin went to work for General Electric he was assigned the supposedly impossible task of finding a way to frost electric light bulbs on the inside without weakening the glass. [8] [ unreliable source?] He was not aware that this assignment was considered a fool's errand, so he went about the task as if it were something that could be done. [9] [ unreliable source?] Pipkin produced an innovative acid etching process for the inside of the globe of an electric lamp so that it did not deteriorate the lamp glass globe. [10] [11] His was a two step acid process that etched the interior of glass with tiny crevasses on the first process like in the normal procedure, but he added a second acid step that caused soft, rounded dimples from the crevasses which gave the bulbs added strength. There was minimal loss of diffusion of light with his innovation. [9] It left the outside of the globe of the glass lamp smooth so that it did not hold dust like those etched on the outside. [12] [13] The first electric light bulb frosted on the inside with sufficient strength for ordinary handling that could be sold to the public was invented by Pipkin in 1925. [14] [15] [16] Patent No. 1,687,510 was issued to Pipkin on October 16, 1928, and by him assigned to his employer, General Electric Co. On November 5, 1945, however, the United States Supreme Court invalidated the patent, on the ground that the claimed invention was not sufficiently original. [17] Marbles ideal lens for electric lamps". The Star Press. Muncie, Indiana. July 16, 1933. p.20 – via Newspapers.com .Bonnier Corp (March 1949). "Popular Science". The Popular Science Monthly. Bonnier Corporation. ISSN 0161-7370. Clear or Frosted Bulbs in traditional, Bistro or Vintage style to suit your occasion. As well as white led bulbs, multi colour, or warm white lights for a more sophisticated look. Clear bulbs give a real funky retro modern feel, frosted are more homely. From one of the kinds of light bulbs, both frosted and clear light bulbs are incandescent light sources. In these incandescent light bulbs, a filament is heated until it glows and produces light. One of the advantages of using an incandescent light bulb is that they usually come with a dimmer switch so that you can control their brightness. a b "Marvin Pipkin". Schenectady Museum Association. 2017. Archived from the original on February 26, 2016 . Retrieved December 20, 2017. He continued to work at NELA for many more years and eventually created the Soft-White light bulb nearly 25 years later.

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Soft Light Inventor Dies". The Tampa Tribune. Tampa, Florida. January 9, 1977. p.12. Archived from the original on August 10, 2023 . Retrieved August 2, 2020– via Newspapers.com . a b c d Marvin Pipkin, 87, Lakeland Inventor, Dies From Cancer, The Ledger, January 8, 1977, pp. 1 & 7 Pipkin did a demonstration of the bulbs' integrity to his supervisor at General Electric. [20] He presented to his supervisor six light bulbs that had been frosted on the inside. Some had just the one application of acid and others with his reinforced second treatment. He placed the bulbs on his supervisor's desk, standing up on their screw bottoms. He tipped the first three over, one at a time, to simulate a bulb being dropped from a small height. These were the bulbs treated with original single acid application, and as expected, all three bulbs shattered. He then tipped over the remaining three bulbs, which were tempered with his new two-step acid treatment. They remained unbroken, much to the surprise of his supervisor. Then, to further demonstrate the effectiveness of his tempering process, Pipkin took bulbs that had not shattered and dropped them again, this time allowing them to fall to the office floor. The bulbs bounced on the floor, and settled without breaking. [20] Pipkin's new frosted bulb revolutionized the industry, allowing the manufacture of frosted bulbs that diffused the light without losing much intensity, and were strong enough to be commercially viable. [14] [15] [16] He went on to make many innovations to the light bulb and two decades later developed the soft white light bulb. [21]Marvin Pipkin (November 18, 1889 – January 7, 1977) was an American chemist, engineer, and scientist. During his time in the United States Army, he worked on gas mask innovations. These masks were used by soldiers as well as the public during World War I for protection against chemical weapons. His innovative improvements were used through the twentieth century. Perfect for party lighting, create happy vibrant atmosphere with Festoon Lights in your garden. Warm big bulb ambient light will transform any outdoor space.

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Frosted light bulbs are certainly easier on the eyes, but they don’t have that visual sparkle you get from a transparent light bulb. They are perfect for a chandelier, pendant lights fixture, or wall sconce that uses shades. If you’re looking for a diffused and softer source of light then, frosted bulbs are your perfect option.Pipkin retired from the General Electric Nela Park laboratory in November 1954. He settled at his home on Beacon Road in Lakeland, Florida. He had lived in the town most of his life. Pipkin died of cancer at the General Hospital in Lakeland on January 7, 1977, at the age of 87. [6] He is buried at the Fitzgerald Cemetery in Lakeland. [1] Nela Operating Building factory, c. 1920 Light bulb innovations [ edit ] Our Festoon lighting range covers everything You need. From low voltage led bulbs, to commercial connectable lights. All in a choice of colours, cables, shapes and sizes. Next you'll hang a Light on the Wall". Chicago Tribune. Chicago, Illinois. April 18, 1959. p.20 – via Newspapers.com . The fourth of six children, Pipkin was born November 18, 1889, south of Lakeland, Florida in a suburban community called Christina. His parents were Daniel M. Pipkin and Sarah Catherine (Moore) Pipkin. His father owned a citrus grove and was a farmer. Pipkin attended Lakeland elementary school and graduated from Bartow High School in Bartow, Florida. [1]