Extract of a letter from Dublin, Jan. 20"Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place. Notwithstanding the immense rain that fell Tuesday afternoon, and that lasted with unremitting heaviness until two o'clock yesterday morning, which prevented the gentlemen artists from commencing the inflation of Mr. Crombie's balloon so early as they intended, yet the guns announced at seven in the morning that the aerial excursion was designed to take place.