Louis Lot Paris France Brevet #9707

[Ritafs1]

Can anyone tell me what year this was made?

Thank you,
Rita

[JButky]

Mlle. Gabrielle Chambille, prop. 1923-1951. Seral numbers #9212-10442. (Records are for repairs
only).

Year is followed by last serial number made that year.
1928-9750;