Abstract: A panoramic picture is taken to produce a negative with a panoramic image thereon, and a panoramic print is then made on a single sheet of double-wide photographic paper. The print is cut into two equal panels along a cutting line extending at right angles to the longitudinal axis of the print, and hinge members are fastened to the rear of the two panels along the cut edges. The hinge members are then secured in an album to mount the two picture panels in aligned, side-by-side relationship, with a narrow gap therebetween to prevent damage during closing and opening of the album. The hinge elements have a color tone corresponding to the general color tone of the central portion on the picture, to minimize the visibility of the gap. A triplewide picture can also be made, which is divided into three panels, with the third panel being connected to the second by a hinge element.

Abstract: This invention relates to temperature differential sensing means particularly suitable for sensing temperatures at respective opposite sides of a heat shield whereby alignment of the shield with respect to a heat source may be monitored so as to enable the shield to be maintained in operative aligned relationship with the heat source.

Abstract: Method of removing organic contaminants from aqueous hydrochloric acid comprising countercurrently contacting the aqueous acid containing the contaminants and steam at superatmospheric pressures, and recovering said aqueous acid substantially free from organic contaminants. The invention is particularly adapted for the removal of chloral from aqueous hydrochloric acid.

Abstract: A short delay burster for a canister ejecting projectile utilizes a multish screen operatively disposed in a choke configuration housing and held therein by an orificed retainer to permit the delay to be initiated by an expulsion charge while withstanding the high pressure shock wave of the expulsion charge explosion.

Abstract: A panoramic picture is taken to produce a negative with a panoramic image thereon, and a panoramic print is then made on a single sheet of double-wide photographic paper. The print is cut into two equal panels along a cutting line extending at right angles to the longitudinal axis of the print, and hinge members are fastened to the rear of the two panels along the cut edges. The hinge members are then secured in an album to mount the two picture panels in aligned, side-by-side relationship, with a narrow gap therebetween to prevent damage during closing and opening of the album. The hinge elements have a color tone corresponding to the general color tone of the central portion on the picture, to minimize the visibility of the gap. A triple-wide picture can also be made, with is divided into three panels, with the third panel being connected to the second by a hinge element.

Abstract: Metal algicides, such as zinc and copper, are sprayed in the form of droplets of molten metal onto the surface of roofing granules or onto the surface of asphalt roofing compositions in which said granules are embedded. The metal algicides solidify and adhere on the surface of said granules or compositions as relatively fine, randomly distributed, irregular shaped metal globules. During periods of rain or dew upon atmospheric exposure of roofing compositions thus flame treated, or incorporating therein roofing granules so treated, the oxidized globules become ionized so that metallic algicidal ions are slowly released therefrom and leached over the roofing surface, thus retarding the biological growth of algae and/or fungi over extended periods of time.

Abstract: A method of assembling munitions and delivering a payload within a munition o a target area at low altitude wherein the energy source for arming the fuze is self contained within the mechanism and utilized subsequent to release of the munition from the delivery means.