1st printing
"First published October, 1934. Second impression November, 1934."
--library records (LCCN and OCLC, below)
"Case binding of red cloth. Title, author and publisher in white on spine. Illustrated dust jacket."
"Decorations by Malcolm Easton. Line photoengravings."
--OCLC
One dealer at Amazon (2019-10-07) provides an image of the 3rd printing, 1935, with jacket, {{ASIN|B001PF5C8Y}}.
"Foreword by Dr. Malcolm Sargent, F.R.C.M."
--publisher advertisement (below)
Malcolm Sargent (1895–1967) was "chief conductor of London's internationally famous summer music festival the Proms from 1948 to 1967" (from his Wikipedia biography).
Publication date from listing in "This Week's Diary", The Observer 1934-10-07 p6: "chief books appearing this week", under Thursday; probably -10-11, possibly -10-04.
Price from publisher advertisement, The Observer -11-04 p8; "This most original book tells children, in the manner of a fantastic story, all there is to know about the various instruments in an orchestra."