Many harmonium models have two compression wedges available at the top of them. This video is explaining what is their sole purpose and how to use them properly.

Harmonium models without these wedges have long screws tighten enough to keep proper air compression inside air chambers all the time. This video is not relevant for such harmonium models. There will be another video about them.

Please take a look at my other harmonium-related channels:

Harmonium Help (Instagram):
[ Ссылка ]
Harmonium Melodies (educational):
[ Ссылка ]

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