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Slidex
Slidex cards used in Norway - under construction

Below is an overview of the Slidex cards that were used in Norway from 1852 onwards. According to the original instruction booklet, Slidex was introduced in Norway in 1952, updated in 1953 and updated again in March 1961. Although most of the original cards are not dated, we assume that they were printed around 1957. Click any of the card below to view it in full resolution. All cards are printed single-sided. Blank cards – with a larger grid – were available in several colours.

Card 01 - Flystø
Norwegian Slidex card number 01. Click for a close-up.

Card 11 - Infanteri   infantry
Norwegian Slidex card number 11. Click for a close-up.

Card 21 - Kavaleri   cavalry
Norwegian Slidex card number 21. Click for a close-up.

Card 31 - Artilleri   artillery
Norwegian Slidex card number 31. Click for a close-up.

Card 41 - Ing-kommunikasjonsarbeid
Norwegian Slidex card number 41. Click for a close-up.

Card 42 - Ing-befestningsarbeid
Norwegian Slidex card number 42. Click for a close-up.

Card 43 - Ing-mine-, hinder- og ødeleggelsearbeid
Norwegian Slidex card number 43. Click for a close-up.

Card 51 - Samband
Norwegian Slidex card number 51. Click for a close-up.

Card 61 - HTK-transport
Norwegian Slidex card number 61. Click for a close-up.

Card 62 - HTK-MP
Norwegian Slidex card number 62. Click for a close-up.

Card 71 - Intendantur
Norwegian Slidex card number 71. Click for a close-up.

Card 81 - HVK
Norwegian Slidex card number 81. Click for a close-up.

Card 91 - Sanitet
Norwegian Slidex card number 91. Click for a close-up.

Card 111 - HV
Norwegian Slidex card number 111. Click for a close-up.

Card 112 - HV
Norwegian Slidex card number 112. Click for a close-up.

Card 23 - Blank
Blank cards were supplied for hand-written messages and codewords. These cards were available in several colours – including white, yellow and red – and had a grid with larger cells. The cards are slightly smaller that the printed Slidex cards, with each cell of a blank card corresponding to four cells (2 x 2) of a printed card. Below are some examples of blank cards.

Blank Norwegian Slidex card number 23. Click for a close-up.


Red Norwegian Slidex card number 23. Click for a close-up.


Yellow Norwegian Slidex card number 23. Click for a close-up.


Examples
Below are some examples of pencil-written codewords on blank Slidex cards, as they were found with the Norwegian Slidex in our collection.

Example of a blank card with the SHIFT cells marked. Click for a close-up.


Example of a blank card with filled cells. Click for a close-up.


Example of a blank (red) card with filled cells. Click for a close-up.

Further information
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Crypto Museum. Created: Monday 16 April 2018. Last changed: Wednesday, 06 May 2020 - 05:59 CET.
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