I'm under the impression that up to some year in the early 1920s, most Pathe
disks
were vertical cut. Their wide grooves were intended to be played with
spherical sapphires.
Say "spherical sapphires" in rapid succession 3 or more times ..... At
least here in the US, those designated as needle cut were lateral & intended
to be played with needles.
Mike B: when did Pathe cease making the ball cut type hill & dales for the
U.S. market?
Roger: by blanks do you mean disks in which grooves were never cut? or
grooves were cut?
or both?
Art (Shiffy) Shifrin
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