The pneumatic player, the regulation and repair of some modern types . Fig. II. i=^=P Sofl* fcufion deftr^ss^a; actenrino. valve m action tteivv W»M<i. wiini jmi ^^^SISSS^SS. Fig. III. Y When the button (A) is pressed, the pallet (Bjis opened. Air rushes to the pouch, lifting C. Thesmall valve chest beneath D is now under vacuumand E is collapsed, as in Fig. II., closing F ; andall the striking pneumatics are now influencedby the low tension, giving the piano effect. Thepouch beneath D is connected to the tracker barand the accentuated roll (when A is depressed) liftsD, as in Fig. III., all
The pneumatic player, the regulation and repair of some modern types . Fig. II. i=^=P Sofl* fcufion deftr^ss^a; actenrino. valve m action tteivv W»M<i. wiini jmi ^^^SISSS^SS. Fig. III. Y When the button (A) is pressed, the pallet (Bjis opened. Air rushes to the pouch, lifting C. Thesmall valve chest beneath D is now under vacuumand E is collapsed, as in Fig. II., closing F ; andall the striking pneumatics are now influencedby the low tension, giving the piano effect. Thepouch beneath D is connected to the tracker barand the accentuated roll (when A is depressed) liftsD, as in Fig. III., allowing open air to rush downto E and instantly opening F to heavy wind. The re-roll lever, in addition to controlling the 30 THE PNEUMATIC PLAYER motor gear (which, by the way, is chainless andemploys cogged wheel gearing), opens a palletbeneath the key bed. This pallet admits air to aprimary down in the expression box, which prim-ary operates a small exterior pneumatic, the heelend of which closes a valve and port connectingthe striking pneumatics to the reservoir and pneumatic is further provided with a smallspring to ensure its closing
Size: 2995px × 834px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookidpneumaticpla, bookyear1921
