_From_ LINDSAY SLOPER, _Pianist_. _July 31st, 1865._ “Allow me to express to you the interest I felt in your system of finger-gymnastics as shown to me by you last week. Your inventions seem to me very likely to produce the results you have sought, and I should be very glad to see their utility tested in our music-schools.” * * * * * _From_ B. MOLIQUE, _Pianist_. _July 22nd, 1865._ “Mr Jackson’s gymnastic invention for the fingers and wrists will be of great benefit to musical students.” * * * * * _From_ J. BALSIR CHATTERTON, _Harpist to Her Majesty the Queen_. _July 31st, 1865._ “I have taken time to think over your ingenious invention, and am of opinion that it will be of incalculable service to harp players. I can only hope that it will become extensively known, and shall be glad to hear of the publication of your forthcoming work.” * * * * * _From_ JOHN THOMAS, _Harpist, Professor of the Royal Academy of Music; Pencerdd Gwalia_. _July 25th, 1865._ “I have much pleasure in bearing testimony to the importance of Mr Jackson’s simple but clever invention for rendering the fingers independent of each other, and in preparing them for execution upon any musical instrument, thus greatly facilitating the attainment of execution; and I sincerely hope that his invention will be made public, in order that the world may derive the full benefit of it.” * * * * * _From_ JACQUES BLUMENTHAL, _Pianist_. _July 25th, 1865._ “I have great pleasure in stating that I consider Mr Edwin W. Jackson’s new system of gymnastics for the fingers a very ingenious invention, and as simple as I believe it to be useful to the student; and if generally adopted would prevent, no doubt, many a headache engendered by the now prevailing system of exercises for the pianoforte and violin.” * * * * * _From_ ADOLF POLLITZER, _Violinist, Royal Italian Opera_. _July 24th, 1865._ “Mr Jackson deserves the thanks of every instrumentalist for his clever invention for strengthening the fingers; and those who follow his very ingenious system must find great benefit from it.” * * * * * _From_ R. SIDNEY PRATTEN, _Flautist, Royal Italian Opera_. _July 7th, 1865._ “I feel satisfied that your very ingenious yet simple invention for the exercise and strengthening of the fingers to the players of wind instruments will be of the greatest value, as flexibility and strength can be obtained even though the instrument may not be at hand; and I shall have great pleasure in recommending it to all my pupils, as well as professional brethren, as a thing indispensable for the purpose for which it is intended.” * * * * * _From_ HENRY LAZARUS, _Clarionetist, Royal Italian Opera_.