Drawing of the first successful settable capture combination action for Opus 8, 1885

Combination action trace from the console of Opus 8, 1885

Original handwritten contract for the first three manual organ, Opus 8—“La Cathédrale de St. Hyacinthe” dated 9 June 1882. The organ was completed in 1885.

Traveling demonstration model of the Casavant key contact system known as the “roller-relay” shown at the top above the under key contact block system used by other builders.

The console plate from Opus 849, installed at St. Thomas Aquinas Church in Halifax, Nova Scotia in 1920 for a transposing mechanism that raised and lowered the pitch of the instrument by two semi-tones above and below standard pitch.

Joseph Casavant’s copy of the 1766 organbuilding treatise L’art du facteur d’orgues by Dom François Bédos de Celles.

Vue perspective de l’interieur d’une orgue de 16. pieds. (Pl. L) from Volume II of L’art du facteur d’orgues by Dom François Bédos de Celles that influenced the layout of the Grand Orgue division for the four manual, 82 stop organ built for Église Notre-Dame in Montréal (1885-1891), Opus 26.

One of two sets of the “édition de luxe” of “The Art of Organbuilding” by George Ashdown Audsley purchased by the Casavant brothers.

Inside page of Volume I of “The Art of Organbuilding” autographed by George Ashdown Audsley and indicating the copy number of the first printing of 150 copies of the “édition de luxe”.