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MMD > Archives > January 2023 > 2023.01.31 > 02Prev  Next


Aeolian Clear Plastic Unit Valves
By Ben Roth 

Hello everyone, (1) When did Aeolian start making the clear
plastic valves?

(2) Did the Hardman Duo use the old-fashioned button valves
with pouch boards, and what years where they made?

Thanks,
Ben Roth

(Message sent Tue, 31 Jan 2023 09:28:05 -0800 , from time zone -0800.)

Key Words in Subject:  Aeolian, Clear, Plastic, Unit, Valves
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