Found in 1997, Aiou Office Supplier Co., Ltd. is a specialized China corona typewriter manufacturer and wholesaler of office equipment and office products. All of our OEM corona typewriters have the characteristics of easy operation, long lifespan, and beauty figures. To ensure product quality and stability, our sources materials from overseas countries, conducts scientific manufacturing, and implements strict QC inspections & tests at every stage of manufacturing. In addition, we are the only company within the Chinese mimeograph industry that has passed the State Mechanism Industry Bureau test and is quality credit insured by PICC.

The Folding Corona began life in 1907 as the Standard Folding Typewriter, an older looking typewriter, with an aluminum frame--but basically the same machine. The company changed the name to Corona in 1910, and a typewriter legend was born. 700,000 were made in all from 1910 to 1940. Some were painted bright colors. All were made to be kept in their cases... one of the reasons why so many have survived in such good condition.The Folding Corona is sometimes called the Corona 3, which was its original model number (No. 1 & 2 were models of the Standard Folding). It is one of the most-common collectible typewriters, found at flea markets everywhere.
1920`s vintage 'Corona' typewriter. very detailed high-resolution model + textures. render-ready.
1330. CORONA MODEL #3 TYPEWRITER. Early typewriter pat. July 10, 1917 from the Corona Typewriter Company, Groton, NY. SIZE: 10 1/2"w x 6" t x 10" d. CONDITION: Good. 1-27092 (25-50)

L-024 This model was designed with transparent paper holders and a line finder. It also has features such as a variable line spacer and visible margin stops. This particular unit was used at Rider from 1974-1978 and was donated by Robert Congleton (Rider Grad, class of 1978).
The folding Corona 3 (the model number follows the Standard Folding models 1 and 2) originally appeared as a machine with pivot bearing type bars (see the Piccola for details) with shift keys only on the left. Later, the machine was built with a regular segment to hold the typebars (like the one shown here), shift keys on the left and right and other improvements. In the late 1920s Corona introduced a range of Corona Specials, in different bright colors, like red, green and blue. The main design however, with the forward folding carriage remained the same through the decades. Unchanged also remained the way the serial number of each machine was clumsily scratched into the underside of the carriage, although it was also neatly printed on the inside of the rear panel.

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