Abstract: A gliding parachute of the ram-air type having aligned upper and lower panels separated by high camber airfoil shaped ribs whose maximum camber thickness is equal to or less than ten percent of its chord length and so constructed so as to impart a recessed air pocket under its lower panel.

Abstract: An apparatus and method of producing electricity comprising passing a low hydrogen content (zero to four percent) air stream over a hydrogenating catalyst in a reaction chamber thereby producing a hot discharge gas which is used to vaporize a liquid hydrocarbon which turns a turbine coupled to a generator.

Abstract: A reed holding device for the mouthpiece of a musical instrument in which a single unitary strip extends around the mouthpiece having an integral separate bottom plate attached thereto with raised shoulders supporting the reed. The edges of the reed rest on the raised shoulders of the bottom plate avoiding direct contact with the single unitary strip.

Abstract: An insulating bolt is disclosed herein for use in supporting signs on walls comprising a hollow threaded shaft having a channel disposed on the shaft to receive a grounding strap which is laid in the channel. The end of the grounding strap conforms to the end of the shaft of the bolt for engaging into the end of an armored cable thus providing grounding means from the sign back to the power source. A slide locking nut having a raised shoulder for sliding in the channel is provided for positioning and holding the bolt in place.