The phrase "a device about which" is correct and usable in written English.
It can be used when referring to a specific device and indicating that there is additional information or context related to it.
Example: "The engineer presented a device about which many questions were raised during the conference."
Alternatives: "a device concerning" or "a device related to".
In another curious development, major Canadian mobile network operator Rogers has opened reservations for BlackBerry 10 devices, according to BGR, letting customers reserve their spots in line for a device about which we know next to nothing.
In another curious development, major Canadian mobile network operator Rogers has opened reservations for BlackBerry 10 devices, according to BGR, letting customers reserve their spots in line for a device about which we know next to nothing.
I'm tempted to go with the obvious interpretation considering how many questions the secret one leaves open, and also because it's just unlikely that such a revelation would occur via a single statement, in a single article, about a single device, about which Google isn't particularly enthused.
The FBI – using their own Stingray and an "augmentation device" about which little is known – located Ellis and brought him into custody.
The company goes on to explain that the device, about which it supplies few details, is priced as low as $195 and can be installed in about 30 minutes on a variety of internal combustion engines.
A time machine is a device which brings about closed timelike curves and thus enables time travel where none would have existed otherwise.
"An example of this is the fact that for the many years he edited the Library Quarterly, he balanced the journal's often mathematical articles with cover designs featuring drawings of the elegant early printing devices about which he wrote so eloquently.
The film also uses a device in which people speak about Mr. Knight.
By Paul Brodeur and Brendan Gill The New Yorker, February 13 , 1960 P. 24Talk story about a device called Tutor, which its makers, the Western Design Division of U.S. Industries, Inc. define as an electromechanical teaching device.
They talk about a device which, once installed on a train, brings it to an automatic stop if it overshoots a red signal.
That reflects the anticipation that has been building for months about a device which seems designed to make men of a certain age who cut their computing teeth as teenagers on a BBC Micro or a ZX Spectrum go all misty-eyed.
