I recently bought this little pamphlet on ebay. Along with some nice graphics, it also shows the colors and typefaces available at the time (which I presume is 1929) and mentions how special keyboards could be procured at no extra cost.| x over it
IBM met sur le marché l’Electromatic, la première machine à écrire électrique. | Centenaire IBM France - 2014 : 100 ans d'IBM en France #IBMfr100