Previous ImageNext Image tone mixers in the basement of Telharmonic Hall, circa 1907 tone mixers in the basement of Telharmonic Hall, circa 1907 Like this:Like Loading... Share this:Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Like this:Like Loading...