The phrase "as was formerly" is correct and usable in written English.
It can be used to refer to a previous state or condition that has changed over time.
Example: "The building, as was formerly the town hall, now serves as a community center."
Alternatives: "as it used to be" or "as it was previously."
Titian adopted the same arrangement in his portrait of a gentleman in blue (c. 1512), where the initials TV (Tiziano Vecellio) establish him as the painter rather than Giorgione, as was formerly believed.
The ecumenical movement of the 20th century, bolstered by modern biblical scholarship, led some of the Christian churches e.g., the Roman Catholic and Lutheran churches to realize that they are not so far apart in their understanding of the Eucharist as sacrifice as was formerly thought and that they hold many elements of belief in common.
In accordance with the "One Fungus = One Name" proposal (59), the newly discovered sexual state (teleomorph) of A. lentulus will not be assigned a separate Latin name, as was formerly the case under "dual nomenclature" (60).
Apocalyptic trends, given considerable impetus by the victory of the Maccabees over the Syrian Greeks, were not (as was formerly thought) restricted to Pharisaic circles.
It is now held that Hinduism was taken to Indonesia not by traders, as was formerly thought, but by Brahmans from India who taught Shaivism and the message of personal immortality.
A bicollateral bundle is the typical type for the family Convolvulaceae as was formerly reported by Metcalfe and Chalk (1950) and Tayade and Patil (2012a).
The cellblock that includes Room 7021 is known as the Hospital, as it was formerly the infirmary.
He drank here, overlooking the river Thames in the Prospect of Whitby, or "Devil's Tavern" as it was formerly known, as commemorated by a noose hanging from a window.
It takes its name from the Estonian word for freedom, which is significant as it was formerly named Moskva, after the Russian capital.
Paul White, as Lord Hanningfield was formerly known, was Tory leader of Essex Council from 2001 to 2010, and was made a peer in 1998.
The business grew to include 62 stores and, Mr. Pinault said, sales have expanded substantially since it was acquired by Gucci Group (as PPR was formerly known) in 2001.
