How to fix stuck keys on a Calcutta harmonium

[Flash6384]

Hello Joss, The black keys on my harmonium are really stiff, hard to depress. How can that be fixed. Appreciate your help. Thank you kindly.

[amitcoolcampus1]

I want this harmonium. I am from haryana( India). Plz tell me how can I get it. My phone numbers are 9650140150, 9253055111.

[dllwin]

thanks , very helful