Hendrik H. Strengers was a well-known collector and a valued author.
He published many mechanical music articles in all international
Journals. In 1987 he was granted a Q. David Bowers Literary Award
and in 1998 honored with the President's Award of the MBSI.

Hendrik passed away in October 2018. His collection will be
auctioned on September 22, 2024, by Auctionhouse Peerdeman, Utrecht,
the Netherlands.

https://veilinghuispeerdeman.nl/ 
Calendar: https://veilinghuispeerdeman.nl/p/18/veiling-agenda-utrecht 

The items that will be auctioned are: music boxes 19th and 20th
century, phonographs,  gramophones, Piano Melodico, dictation machines,
wire and tape recorders, radios, tvs, speakers, Walkmans, CD players
and a reed organ (harmonium).

Next to that are antique posters, music industry shares & stocks
(1907-1931), discs (music box discs as well as 78rpm), sound boxes,
books, etc.

Peter Berghout