Railways revolutionised mass transport in the 19th century – people no longer had to walk long distances or take arduous trips in horse carriages on bad and unsafe paths. Along with the technological development, trains got considerably faster but train drivers still had to calculate their speed using milestones and watches or even by sheer estimation.

On-time trains? – Originally, not really, since the estimated speeds often resulted in delays. Now, to improve railways’ punctuality and to adhere to the timetables, one had to find a system reliably indicating the speed to the driver.

In 1887, Gustav Adolf Hasler decided to produce the speedometer which had originally been invented by B. Hausshaelter from Dresden.
The first Hasler® patent number 3950 was given on 7 September 1891 and has ever since protected a mechanism, which permits the registration of speed and time as well as the path travelled by the locomotive. In 1903 these speedometers were already known as TEL® (abbreviation of “Telegraphenwerkstätte G.Hasler”) and later in 1920 the name was extended to TELOC® (incorporation of TEL and Locomotive). Both names have since been registered trade marks of HaslerRail AG.

All through the company’s existence, Hasler products were – and still are – epitomes of reliability, safety, and quality since the company always produces at the leading edge of technology.

http://www.haslerrail.com

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