DESCRIPTION:

On this original linen-backed lithograph from 1888, Edmunds, H. patented an invention that relates to electricity, supplying in general, electric lighting, gas meters, and sale apparatus for liquids. The apparatus for supplying electricity consists of a pivoted heavy frame, which can be raised by hand into the position by means of the arm when a coin is inserted and forms a connecting link between the arm and the frame.  

DESCRIPTION:

On this original linen-backed lithograph from 1888, Dieuleveult, U. patented a signaling apparatus for marine ships. For this apparatus, a buoy is attached by mooring-chains to a metal shoe fixed in the sea bottom by a screw or the like. 

DESCRIPTION:

On this original linen-backed lithograph from 1888, W. Reeves patented improvements related to lighting and extinguishing gas; regulating flame; signal lamps. Relates to means for opening and closing valves and cocks by a clock or other motor, applicable in connection with street, railway-signal, and other lamps.

DESCRIPTION:

On this original linen-backed lithograph from 1888, N. M. Henderson patented Miners’ and like safety lamps designed to burn solid hydrocarbons. The solid hydrocarbon is placed in a thin copper box which fits into the asbestos, carbon, or other non-conducting lining of the cup. The latter being secured to a flange on the ring by a screw.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Soc. Paul Auguste Godchaux et Cie. (Lake) patented means for preventing set-off in rotary machines. The means for taking the “set-off” from the blanket of the second impression cylinder are shown in Fig. 1, which shows parts from a printing machine by which the paper from the roll A is printed on one side by the cylinders B, C and on the other by E, D.

DESCRIPTION:

On this original linen-backed lithograph from 1932 (includes original specification sheet), The General Electric Company Limited patented improvements in or relating to rotary electric switches for wireless receiving apparatus. The General Electric Company, or GEC, was a major UK-based industrial conglomerate involved in consumer and defense electronics, communications, and engineering.

DESCRIPTION:

On this original linen-backed lithograph from 1888, W. Stern patented improvements relating to inverted and regenerative gas lamps. The central air supply, which enters at c and passes between the rings a, b, is heated by contact with the flue tubes d, d, after which it traverses a perforated plate e and gauze f to the upper surface of the flame.

DESCRIPTION:

On this original linen-backed lithograph from 1888, Fletcher, T., and Clare, A. patented a regenerative gas lamp. This invention relates to a lamp wherein both the gas and air are supplied from below. Around the annular burner is a casing which is open at both ends. Above the burner is a compound deflector and reflector. The air supply to the upper surface of the flame is heated by passing through the reticulated baffles before being deflected downwards by the hood which is utilized as a reflector. 

DESCRIPTION:

On this original linen-backed lithograph from 1888, Griffiths, A. H. patented an oil lamp burner. This relates to improvements in the burners and burner cones of duplex lamps. The usual cone is replaced by a double cone and the parts are joined together at their lower edges.

DESCRIPTION:

On this original linen-backed lithograph from 1888, T. Macneill patented improvements that consist in the application to pedestal, suspended, and other lamps of the siphon-float method of oil supply.

DESCRIPTION:

On this original linen-backed lithograph from 1888, C. Van Gael (F. H. Lenders) patented improvements to the wick-raising apparatus in oil lamps and burners. The screw plug of the reservoir has a rubber or leather flap hinged to its underside, so that air can enter to replace the oil consumed, while it prevents the escape of oil when the lamp is upset.