at the same instant

See: concurrent
References in classic literature ?
At the same instant I saw that the thing that had struck us was the trailing anchor of a rather fair-sized air vessel; possibly a ten man cruiser.
His tail shot suddenly erect and at the same instant the wary ape-man, knowing all too well what the signal portended, grasped the remainder of the deer's hind quarter between his teeth and leaped into a nearby tree as Numa charged him with all the speed and a sufficient semblance of the weight of an express train.
At the same instant the ape-man dropped from an overhanging limb full upon the lion's back and as he alighted he plunged his knife into the tawny side behind the left shoulder, tangled the fingers of his right hand in the long mane, buried his teeth in Numa's neck and wound his powerful legs about the beast's torso.
At the same instant he saw that others of the banths were racing toward them with the quite evident intention of following their leader to the ship's deck.
The banth toppled sideways at the same instant that it attempted to spring; a raking talon passed close to Gahan's head at the moment that his sword lunged through the savage heart, and as the warrior wrenched his blade from the carcass it slipped silently over the side of the ship.
At the same instant Dian caught my arm and pointed toward the village.
At the same instant the Welshmen upon the left, led on by the Scotch earl, had charged out from among the rocks which sheltered them, and by the fury of their outfall had driven the Spaniards in front of them in headlong flight down the hill.
At the same instant his friend grabbed it from the other side.
At the same instant Muda Saffir with fifty of his head-hunting Dyaks emerged from the jungle east of the camp, bent on discovering the whereabouts of the girl the Malay sought and bearing her away to his savage court far within the jungle fastness of his Bornean principality.
Almost simultaneously Professor Maxon and Sing rushed into the living room to ascertain the cause of the wild alarm, while at the same instant Bududreen's assassins sprang through the door with upraised krisses, to be almost immediately followed by Muda Saffir's six Dyaks brandishing their long spears and wicked parangs.
The boy turned and fled, and at the same instant the lioness charged.
At the same instant a pair of giant arms encircled me from behind and lifted me entirely off my feet.