n I am indebted to Professor A. M. This cup is adapted to ordinary shafting, and is very effect- ally when the blind is closed or fully open, and will retain Mayer, who also suggested in his communication in No. 3 of ive, and can be set and will work at any angle. the blind, also, in other… … dispensed with, as the hinge'limits rearward movement of as on the manual key-boards, only made of wood instead of The instrument shown in the engraving should, when the ivory, and larger, as they must be played with the feet. This the braces. axis of the frame, C, is adjusted equatorially,…
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