This is by Reginald Bretnor writing under the name of Grendel Briarton.
Soon after A Budget of Musings Afloat and Ashore, by ‘An Old Salt,’ appeared in 3412, Vice-Admiral Sir Trumpery Buckett invited Ferdinand Feghoot to visit the 18th Century and meet Madame Pompadour. Though his manner seemed odd, Feghoot accepted; and they left via the )( at the Time Travellers Club.
To Feghoot’s surprise, they emerged not in France, but on a dark London street where a mob was … Read the rest...