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The 1102 model was the combination of the 1100 and 1101 models.  The only block difference between the 1100 and the 1102 was the addition of the eleven blocks from the 1101 model.  The 1102 also included both the Elektrik I and Elektrik II Lehr-und Lernkartei (teaching and learning cards).  The 90 experiment manual was NOT included due to the absence of other needed blocks like the speaker and high voltage transformer.

The photo below shows the complete Braun  1102 model. As opposed to the 1100 model’s silk screen red ink  lettering, all the blocks have the more durable embedded black ink symbols and values.