Category: General Knowledge
Who patented margarine to replace butter? The first MARGARINE. The first MARGARINE was patented in France by Hippolyte Mege-Mouries of Paris, on 15 July 1869, and was the only …
By whom was artificial silk produced experimentally? The first MAN-MADE FIBRE. The first MAN-MADE FIBRE was produced experimentally in 1883 in the form of cellulose-based artificial silk by (Sir) …
Who established the first mail-order business? The first MAIL-ORDER BUSINESS. The first MAIL-ORDER BUSINESS was incorporated on 15 September 1871 as the Army & Navy Co-operative Society Ltd, at …
Who launched the Walkman? The first WALKMAN. The first WALKMAN was launched in Japan by Sony on 1 July 1979 at a price of Y 33,000 (0 165). Its …
When was cassette tape recorder introduced? The first CASSETTE TAPE RECORDER The first CASSETTE TAPE RECORDER was introduced in the USA by RCA Victor in June 1958 together with …
Who produced the first stereophonic tape-recorder? STEREOPHONIC TAPE RECORDER The first, commercially produced, STEREOPHONIC TAPE RECORDER was the Magnecord, which was demonstrated at the US Audio Fair of 1949 …
Who produced the first pre-recorded tapes? PRE-RECORDED TAPES were first offered for sale by Recording Associates, New York in 1950. Their first catalogue listed eight recordings on plastic tape, …
Who patented the Magnetic Recorder? How it was modified as a tape-recorder for domestic use? The first MAGNETIC RECORDER. The first MAGNETIC RECORDER was the Telegraphone, patented by Valdemar …
Who published the first magazine? The first MAGAZINE The first MAGAZINE in the sense of a general-interest miscellany was the Met-cure Galant, established by Jean Donneau de Vise, and …
Who opened the first launderette? The first LAUNDERETTE The first LAUNDERETTE was the Washateria opened at Fort Worth, Tex. by J.F. Cantrell in 1934. It contained 4 electric washing …
