This manuscript describes the time when the Buddha went to teach Abhidhamma (The basket of higher teaching) such as Dhammasaṅgiṇī, Vibhaṅga, Dhātukathā, Pukkalapaññatti, Kathāvatthu, Yamaka, and Mahāpaṭṭhāna, to his divine mother in the Dusita heaven.
Colophon:
The writing of this manuscript was completed at the time of the evening drum, on the first waxing-moon day of the twelfth [lunar] month, a Sunday, CS 1194, a tao si year, the rainy season, on the first waxing-moon day of the twelfth [lunar] month. Monks and novices who use this manuscript are suggested being careful.
Other notes:
This date corresponds with Sunday, 26 August 1832 (1194 Bhadrapada 1).