Hmm. Just checked out the 'Users' page on the Keith Monk website:
Very interesting !
Australian Broadcasting Corp.
British Broadcasting Corporation
(Including: Record Library, Archives Library,
Transcription Service, Local Radio)
Harvard University
Kings College, London
NHK National Broadcasting Co, Japan
Stanford Library CA.; U.S.A.
University of Kansas;
New York Public Library, U.S.A.
W.F.M.T. Chicago, U.S.A.
National Archives, London
Sibelius Institute, Finland
Denmark Radio
Sweden Radio
Norway Radio
Finland Radio
Swiss Radios
O.R.T.F. Paris
Belgium Radio
Netherlands Radio
RAI, Italy
Angola Radio
South African Radio
Nigeria Radio
British Forces Broadcasting London,
University of Utah;
Yugoslavia Radio
New York stations:
WNED,WNHT,WNZN,WQXR
WLLZ/WQRF Detroit
WFMR Milwaukee
Iceland Radio
Greenland Radio
Canadian Broadcasting Corporation
Venezuela Radio
Moscow Radio, Russia
Singapore Radio
Hong Kong Radio
New Zealand Radio
Malaysian Radio
Korea Radio
RTE Ireland
Indonesia Radio
Greece Radio
Yemen Radio
Hamburg Radio
Absolute Sound Magazine
Buckingham Palace
Graham's Hi-Fi, London
Harrods London
Numerous Record Libraries;
Southampton University
Ministry of Guidance, Kuwait
Shiro, Japan
Sweep, Bangkok
Listed here are just some of the worlwide users of The Keith Monks Record Cleaning Machine
If Her Majesty uses one for cleaning her Tina Brooks Test Pressings then it must be good.