61
Process for the recovery of pure caustic alkalis from impure lyes. Karl Heinemann, Hoesch And Company, November 14, 1921: GB171751-A

171,751. Heinemann, K., and Hoesch & Co. Aug. 14, 1920. Amalgams, alkalis, hydrogen, and oxygen, obtaining.-Pure hydrogen, oxygen, and caustic alkalis are obtained from impure lyes by electrolysis with a mercury cathode and subsequent action of water on the amalgam formed. To prevent contamination o ...


62
Improvements in or relating to flywheels and the bearings thereof and of other rotating members. Sperry Gyroscope, November 14, 1921: GB171186-A

171,186. Jackson, P. R., (Sperry Gyroscope Co.). Aug. 13, 1920. Fly-wheels. - The fly-wheel of a gyroscope is made up of annular sections which are bolted together in groups or have interlocking parts and are secured to the hub by spoke elements which yield radially but are relatively stiff axially ...


63
Bottle capper. Harry Joseph Lebherz, November 14, 1921: GB171187-A

171,187. Lebherz, H. J. Aug. 13, 1920. Capsules and the like, applying. - Apparatus for capping bottles consists of a base 1 with a portion 2 to hold the bottle and a standard 6 with a rack portion 8 engaged by a toothed segment 20 on a handle 21 pivoted to guideplates 9 which engage the standard an ...


64
An improved self-emptying ballast tub or skip. Charles Heyward Dent, November 14, 1921: GB171189-A

171,189. Dent, C. H. Aug. 13, 1920. Skips.-A skip, of the type having two sections, provided with inwardly-sloping bottom plates, and hinged together so that they close normally under their own weight, but open automatically under the weight of the contents on the release of a catch, is constructed ...


65
Improvements in stone-drills or augers. Alfred Stapf, Hans Hundrieser, November 14, 1921: GB171468-A

171,468. Stapf, A., and Hundrieser, H. Aug. 13, 1920. Addition to 147,639. Bore-hole apparatus.-The auger bit described in the parent Specification is provided with one or more breaking-rollers rotatably mounted on the bit .adjacent to the bottom of the grooves or recesses between the teeth thereof. ...


66
Improvements in and relating to machines for making paper bags. Leslie Walter Welsford, November 14, 1921: GB171469-A

171,469. Welsford, L. W. Aug. 13, 1920. Paper bags, making. -Relates to a machine for making block-bottomed bags continuously from a web of paper and consists of the particular construction described. The machine is shown in side elevation in Fig. 1 and in plan in Fig. 2. A reel of paper 7, Fig. 1, ...


67
Method and means for determining the transmission equivalent of an electrical circuit. Western Electric Co, November 14, 1921: GB171470-A

171,470. Western Electric Co., Ltd., (Western Electric Co., Inc.). Aug. 13, 1920. Transmission equivalent of electric circuits, measuring. - The transmission equivalent or efficiency of electrical devices and circuits, such as telephone lines, is measured in terms of miles of standard cable. The app ...


68
Improvements in liquid-projectors. Harry Edwin Tunnell, November 14, 1921: GB171471-A

171,471. Tunnell, H. E. Aug. 13, 1920. Hand and portable pumps.-Relates to apparatus for discharging liquids in the form of a jet or spray for fire-extinguishing &c., consisting of a hand pump in a portable reservoir or container. The pump 23, Fig. 2, is placed to one side of the container and is se ...


69
Improvements in multiple fuse plugs and the like. Benjamin Leo Moss, November 14, 1921: GB171472-A

171,472. Moss, B. L. Aug. 13, 1920. Fusible cut-outs.-A multiple fuse plug comprises a casing 7 having a contact (not shown), a rotary block 9 in the casing, and a contact member 12 carried by the block having a number of fusible arms 11, any one of which may be brought into circuit with the casing ...


70
Improvements in or relating to milking machines. George Parker, William Parker, November 14, 1921: GB171749-A

171,749. Parker, G., and Parker, W. Aug. 13, 1920. Cow-milkers.-The suction applied to the teats of a cow in a pneumatic milking-machine is regulated by an air inlet valve arranged on the claw and adapted for adjustment by hand. The valve comprises a screw plug 7, having a milled head 8 beneath whic ...