German shorthaired pointer, breed of large sporting dog developed in Germany in the mid-19th cent. It stands about 23 in. (58 cm) high at the shoulder and weighs about 60 lb (27 kg). Its dense...

German wirehaired pointer, breed of large sporting dog developed in Germany in the mid-19th cent. It stands about 24 in. (61 cm) high at the shoulder and weighs about 60 lb (27 kg). Its harsh,...

Sporting dog, classification used by breeders and kennel clubs to designate dogs bred for pointing, flushing, and retrieving game. These dogs hunt by air scent—as opposed to most hounds, which...

Spinone Italiano, also called Italian pointer, breed of large, all-purpose hunting dog developed in the Piedmont district of NW Italy over three centuries ago. It stands from 20 to 26 in. (50....

Vizsla, breed of large sporting dog introduced into Europe by the Magyar invasion of the 10th cent. and perfected in Hungary over hundreds of years; also called Hungarian pointer. It stands be...

Ammeter, instrument used to measure the magnitude of an electric current of several amperes or more. An ammeter is usually combined with a voltmeter and an ohmmeter in a multipurpose instrumen...

Voltmeter, instrument used to measure differences of electric potential, commonly called voltage, in volts or units that are multiples or fractions of volts. A voltmeter is usually combined wi...

Clepsydra or water clock, ancient device for measuring time by means of the flow of water from a container. A simple form of clepsydra was an earthenware vessel with a small opening through wh...

Game birds, a term used variously for all birds of the order Galliformes (gallinaceous, or chickenlike, birds), for certain quarry species within this order, and for a variety of quarry birds ...

Turn and bank indicator, aircraft instrument containing one indicator to show turning, or rotation about the vertical axis, and another to show banking, or rotation about the longitudinal axis...