Abstract: The invention provides a faux battery for a real battery in a smoke detector, and electrically connects the faux battery to a real battery in a reachable battery housing located within reach of a human, to facilitate battery changing in the smoke detector.

Abstract: The invention provides a faux battery for a real battery in a smoke detector, and electrically connects the faux battery to a real battery in a reachable battery housing located within reach of a human, to facilitate battery changing in the smoke detector.

Abstract: A superconducting film of HoBa.sub.2 Cu.sub.3 O.sub.7-x on a substrate is tained from a mixture containing stoichiometric amounts of Ho.sub.2 O.sub.3, BaCO.sub.3 and CuO powders by a method including the steps of(A) processing the powder mixture to an average particle size of about 2 to 3 .mu.m,(B) adding about three grams of the powder to about 25 cc of an organic dispersant,(C) depositing the powder in the organic dispersant on the substrate by electrophoresis in electric fields of about 100 to about 1000 volts/cm for about 3 to about 15 minutes to obtain superconducting films having a thickness of about 5 to about 25 .mu.m; and(D) sintering and annealing in oxygen.

Abstract: A heel-lock support strapping system for use in sandals, slipper type shoes, low-cut shoes, boots, and like footwear. A heel support strap is wound from the heel end portion of the footwear and thence over the instep of the foot of a wearer and under the arch of said foot at least one time, and thence back over the instep, with the two ends of the strap then being releasably secured together. The heel support strap forms a figure eight from an anchored position at the heel end portion of the footwear.