JF Ptak Science Books Post 1534
The business of bombing people and places from airplanes/aeroplanes was fresh in the history of invention when this advertisement appeared in The Illustrated London News on 18 May 1912.
Superweapons have been used against cities for quite some time in the new world of speculative fiction, and there had been real-life aerial bombings from hot-air balloons, but the first time that a bomb was dropped from a heavier-than-air airplane on anything happened just months earlier, on 1 November 1911, when Lt. Giulio Cavotti dropped a hand grenade from his Etrich Taube on the oasis of Tagiura, in North Africa during the Italo-Turkish War. He dropped four parcels of hand grenades on the not-necessarily-military population at the oasis, injuring no one. The attack was one of attempted vengeance, a payback by the Italians against the Arabs of Tripoli, in general, for having joined forces with the Turks to fight against them.
This air attack was fresh on the heels of a devastating slaughter of the Arabs at Tripoli on 25 October 1911--the Tripoli War would not come to an end until October of 1912. A complaint was lodged that the Italians had broken international law, as bombing from balloons had been outlawed by the Hague Conference of 1899--but the Italians argued that the spirit of the agreement did not apply to bombing from airplanes because airplanes were not balloons. The issue of the legitimacy of bombing from airplanes and then for bombing civilian populations would be a debated issue if not recognized as a restricted practice for decades to come. As the cogs and wheels of the international court ground out its miniscule progress, people got blown up. The people-blown-up part trumped international law almost every time.
In the meantime came this image of an airplane dropping boxes of Purgen, "the Ideal Aperient" on military-style tents of "Ill Health", "Loss of Appetite", Lack of Energy", and so on, all within the possibility of cure by this Purgen product.
So, among the very first advertisements using the idea of aerial bombing as its own delivery system, was this one for Purgen. A laxative.