Seder Arba Ta'aniyot - Venice, 1624 - Interesting Ownership Notation

Seder Arba Ta'aniyot - Venice, 1624 - Interesting Ownership Notation
Seder Arba Ta'aniyot, prayers and poems for Asara B'Tevet, Ta'anit Esther, 17th of Tammuz and Tisha B'Av. Venice, [1624].
End paper at front contain lengthy interesting notation in Portuguese, from the year 1670, regarding the Sephardic custom of announcing in the synagogue on Tisha B'Av Eve the number of years which have elapsed since the destruction of the Temple. The author presents two methods of calculating the number of years which have elapsed since the destruction of the Temple, and describes in detail the content of the speech of "Chacham HaKahal" on this occasion as well as the reason for the destruction of Jerusalem and the exile [it is possible that it is based upon an outline which "Chacham HaKahal" personally wrote, as preparation for his speech. Perhaps it refers to congregation of Anusim (Marranos) in Amsterdam or some other congregation of Anusim].
116 leaves. 15 cm. Good condition, stains. Moth holes. Original adorned leather binding, with laced clasps for closure (one lace missing).