The phrase "a clock that was" is correct and usable in written English.
It can be used when describing a clock that existed or had a specific state in the past.
Example: "I found a clock that was once owned by my grandmother, and it still works perfectly."
Alternatives: "a clock that used to be" or "a clock that existed".
Someone tried to sell us an electric clock, but we would lose our patience with a clock that was always right.
Once I had a rush presentation that I apparently didn't check very well -- one slide had a picture of a clock that was noticeably backwards when the client displayed it on a three-foot projection screen.
The New Yorker, April 9, 1932 P. 9 Someone tried to sell us an electric clock, but we would lose our patience with a clock that was always right.
By G. L. Brayshaw and E. B. White The New Yorker, April 9, 1932 P. 9 Someone tried to sell us an electric clock, but we would lose our patience with a clock that was always right.
Joe Strummer would later admit the decision was his greatest mistake and that "we stupidly tried to fix a clock that wasn't broken".
From the product description, We wanted to make a clock that was ultra-hackable, from adding a seperate battery-backed RTC to desiging the enclosure so you could program the clock once its assembled.
I'm late for my appointments, like a clock that's full of grime.
And Senior Lecturer Jay Kirsch and alumnus Jim Hamilton once created a clock that is now in the permanent design collection at the Museum of Modern Art in New York.
But, Senator Mikulski added, "We are approaching a deadline of Dec. 12, so there is a clock that's really ticking now".
This work was primarily an attempt to establish the notion of duration, or lived time, as opposed to what Bergson viewed as the spatialized conception of time, measured by a clock, that is employed by science.
