IWA slide rule factory
The IWA slide rule factory was founded in 1924 by E. Willi under the name Dipl.-Ing. E. Willi GmbH founded in Stuttgart and renamed IWA - Rechenschieberfabrik F. Riehle GmbH in 1926 under the partnership of Franz Riehle . In 1929 the company moved to Esslingen am Neckar . From 1964 the company is run by his son Harald Riehle . Riehle was president of the ASU (working group of self-employed entrepreneurs) for many years . The current company headquarters (as of August 17, 2018) is located in Denkendorf (Württemberg) and the company is managed by Franz Riehle as the second managing director alongside Harald Riehle.
The abbreviation IWA initially means engineering office for economic work, but later (from 1971) it was rededicated in information media, advertising media, work aids or information media, working aids, addvertising supports . The current English name is Information tools, Working aids, Advertising carriers .
In the beginning the data sliders were made of cardboard. But as early as 1925 plastic was also used, in some cases aluminum and brass.
Before the Second World War, around 10,000 slide bars were produced each year. Production rose to 100,000 units in the 1950s and 1.5 to 2 million per year in the late 1990s. In the period from the end of the Second World War to 1997, over 3800 different models were manufactured.
Games
In addition to slide rules, the company also produced a number of board games in the 1970s:
- 1969 Bigboss (from 1970 Hallo Boss, from 1972 Playboss ) by Harald Riehle
- 1971 the board game (named after the UNO ) The UNO game - an exciting tug-of-war for the presidential chair, economic power, development aid and public opinion! from Waldemar Lentz under the product number "IWA Spiel 0220"; equipped u. a. With a large foldable game board, 9 different types of game tiles, 5 different types of game cards (man of honor cards, luck and bad luck cards) and banknotes ("doubloons") in 5 denominations.
- 1971 environmental protection
- 1973 Codicod
literature
- Harald Riehle: The development of data slides from 1920 until today. In: Proceedings of third international meeting of slide rule collectors, 23. – 31. September 1997, Faber-Castell Castle, Stein near Nuremberg, pages 23-31.
Web links
- Company homepage
- Further homepage of the company
- Information about the company in the computer dictionary
- IWA at the European Game Collectors Guild
- IWA slide rule factory in the Luding games database
- IWA slide rule factory in the board game database BoardGameGeek (English)
Individual evidence
- ↑ "IWA Imprint". "IWA - F. Riehle GmbH & Co KG", accessed on August 17, 2018 .
- ↑ a b Harald Riehle: The development of data slides from 1920 until today. In: Proceedings of third international meeting of slide rule collectors, 23. – 31. September 1997, Faber-Castell Castle, Stein near Nuremberg, pages 23-31
- ^ "IWA". "IWA - F. Riehle GmbH & Co KG", accessed on August 17, 2018 .