DE199642C - - Google Patents

Info

Publication number

DE199642C

DE199642C DENDAT199642D DE199642DA DE199642C DE 199642 C DE199642 C DE 199642C DE NDAT199642 D DENDAT199642 D DE NDAT199642D DE 199642D A DE199642D A DE 199642DA DE 199642 C DE199642 C DE 199642C

Authority

DE

Germany

Prior art keywords

lever

keyboard instrument

instrument according

levers

strings

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Active

Links

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• 239000002184 metal Substances 0.000 claims description 6
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
• ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 2
• 230000003247 decreasing effect Effects 0.000 claims description 2
• 239000011507 gypsum plaster Substances 0.000 claims description 2
• 239000011248 coating agent Substances 0.000 claims 1
• 238000000576 coating method Methods 0.000 claims 1
• 239000000463 material Substances 0.000 claims 1
• 230000002349 favourable effect Effects 0.000 description 3
• 238000006073 displacement reaction Methods 0.000 description 2
• 229920001131 Pulp (paper) Polymers 0.000 description 1
• 206010044565 Tremor Diseases 0.000 description 1
• 238000005253 cladding Methods 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 230000006378 damage Effects 0.000 description 1
• 230000000994 depressogenic effect Effects 0.000 description 1
• 230000014759 maintenance of location Effects 0.000 description 1
• 230000036651 mood Effects 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1