Abstract: A periscope head (10) is formed by a hollow structure of inverted pyramidal form connected to the periscope mast in the vicinity of the apex of the pyramidal form. The exterior surfaces (11, 12) of the head (10) are highly reflective and are substantially planar and they include a window (13) for transmission of radiation to an optical device within the head (10). The geometry and reflectivity of the head (10) render it relatively indistinguishable, in use, from the surrounding sea.

Abstract: The present disclosure relates to the use of thromboxane synthase inhibitors as antiobesity agents and insulin lowering agents. Such compounds fall into a variety of classes among which are 1-substituted imidazoles, 4-substituted imidazoles, 3-substituted pyridines, 3-substituted indoles, 4-substituted pyrimidines, 5-substituted tetrazoles, pyrazolidines, quinazolines, and substituted xanthene carboxylic acids.

Abstract: The present disclosure relates to the use of thromboxane synthase inhibitors as antiobesity agents and insulin lowering agents. Such compounds fall into a variety of classes among which are 1-substituted imidazoles, 4-substituted imidazoles, 3-substituted pyridines, 3-substituted indoles, 4-substituted pyrimidines, 5-substituted tetrazoles, pyrazolidines, quinazolines, and substituted xanthene carboxylic acids.

Abstract: An optical slip ring comprises a housing made of low refractive index material which defines a hollow toroid (10) and a pair of passageways (15A, 15B) leading from the toroid (10). One passageway (15B) leaves the toroid (10) steplessly in a clockwise direction and passageway (15A) leaves the toroid (10) steplessly in an anti (counter-)clockwise direction. The toroid (10) and the passageways (15A, 15B) are filled with high refractive index fluid. The housing is formed in two portions which are mounted for relative rotation about an axis (13) perpendicular to the toroidal equatorial plane (12) and coincident with the center (14) of the toroid, each portion having an interface lying on a surface of revolution (which may be the toroidal equatorial plane (12) ) generated about the axis (13), one housing portion incorporating one passageway (15A) and the other housing portion incorporating the other passageway (15B).

Abstract: The present disclosure relates to the use of thromboxane synthase inhibitors as antiobesity agents and insulin lowering agents. Such compounds fall into a variety of classes among which are 1-substituted imidazoles, 4-substituted imidazoles, 3-substituted pyridines, 3-substituted indoles, 4-substituted pyrimidines, 5-substituted tetrazoles, pyrazolidines, quinazolines, and substituted xanthene carboxylic acids.