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Ericsson Bakelite telephone 1931 The Bakelite phone ( bakelittelefon ) officially known as Ericsson DBH 1001 , and later as M33, N1020, and ED 702, was a Swedish line of telephones made from the polymer Bakelite and produced for over thirty years between 1931 and 1962.
A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature. In early telegraphy , magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and activate signals ...
Princess telephones in pink, turquoise, and black are among the rarest colors of the phones and most valuable. Automatic Electric offered a lighted-rotary-dial model of similar proportions but with a rectangular, rather than elliptical, footprint, called the Starlite Phone , and later offered a non-lighted 12-key touch-tone model simply called ...
How the 173-year-old glassmaker behind Edison’s light bulb and iPhone screens became a Silicon Valley darling ... Even when Corning lost 99% of its value and had to lay off half its employees ...
A typical Western Electric hand telephone set of c. 1930. It consists of a handset mounting with the handset held in a cradle, and a subscriber set mounted against a wall or vertical surface in close proximity. Shown is a B1A hand telephone set, also known as the type 102B-3 hand telephone set.
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
Leich Electric GB 301A field telephone. Leich Electric was a manufacturing company of telecommunications equipment in the United States. Leich produced telephone sets, switchboards, telephone exchange equipment, and associated tools and materials for the independent telephone market in the United States and Canada.
A $10,000 bill sold for $456,000 in 2021, the highest value ever commanded for such a note, according to Heritage Auctions. Older $2 Bills People often have $2 bills tucked away in a drawer somewhere.