The REAL meaning of ATO

[Dick Feldman]

I know what an ATO clock is, but do not know what the letters "ATO" represent.
Will someone be kind enough to enlighten me?
Thanks,
Dick Feldman
Berthoud, Colorado

[Dick Feldman]

I know what an ATO clock is, but do not know what the letters "ATO" represent.
Will someone be kind enough to enlighten me?
Thanks,
Dick Feldman
Berthoud, Colorado

[Eckmill]

To learn the origin of the tradename ATO, say aloud, the name of the inventor/patentee: Leon Hatot. (French)

Les