Werner von Siemens Dial telegraph Morse's telegraph Telephone Carbon-arc lamp Electrical tramway Dinamo Vacuum cleaner Tantalum lamp The PROTOS cars Radio-receiver Circuit breakers Television High-purity silicon Ultrasonic scanner ISDN MultiMediaCard Fingertip sensor  Screensaver

The Gallery of Technological wonders Vacuum cleaner At the beginning of the 1900s, birth is given to some of the most widely used household appliances. A vacuum cleaner of 1906, forerunner of the modern vacuum cleaners and based on the ELMO series of vacuum pumps, is shown in the image.   Siemens S.p.A. 1999 - Milano Communication and Marketing Reproduction and use of the images and texts are prohibited.