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In complete archive
Hearing assessment equipment on a small table, i.e. headphones connected to an audiometer labelled as "ambco hearing amplifier transistorized," Model #351?, with an attached plate that reads, "In memory of Albert Holzwasser."
1959
Several people standing on a staircase. In foreground, Actress/philanthropist Helen Hayes and President McKinley.
1959
Hearing assessment equipment on a small table, i.e. headphones connected to an audiometer labelled as "ambco hearing amplifier transistorized," Model #351?, with an attached plate that reads, "In memory of Albert Holzwasser."
1959
