Photographic documentation of a Jeffries Maccann Duet, serial No. 6, 57 keys, c. 1915.
Marked on the right with an oval engraved C. Jeffries Maker, 23 Praed St. Raised
metal ends, some construction details in common with Jeffries anglos such as linear
reed chambers. Its matching manuscript chords tutor is also reproduced on this website.
Photographic documentation of very early Double duet
No. 23 has only 45 keys, smaller than the 57-key
size which is shown in the tutor or the 67-key size
exemplified by Danny Chapman's No. 14.
It contains an original additional baffle to reduce the volume of the bass side.