Noun:

நீருக்கடியில் இருந்து மேல் மட்டத்தைப் பார்க்க உதவும் ஒரு கருவி,

periscope தமிழ் அர்த்தத்தின் உதாரணம்:

None

periscope's Usage Examples:

1) the upper prism is supported above the telescopic system on a flat strip of metal which can be slid through side supports on the body of the periscope.

In the present article, periscopes for land service and those forming part of the equipment of submarines will be described in turn.

In an ingenious periscope designed by Messrs.

The modern submarine periscope consists essentially of a long tube, the top of which is just above the water when diving, while the lower end passes through a stuffing box on the shell of the boat into the control-room.

Whilst doing a starboard sweep with my binoculars I was convinced I spotted a periscope.

Small German periscopes were usually 1 metre or 2 a metre in length and had two eyepieces giving magnifications 10 and 15 diameters.

The word " periscope" was first applied to this instrument.

Whilst in the British service sky searching up to right overhead was arranged for, German periscopes as a whole are limited to 20° above the horizontal.

The use of aircraft for anti-submarine work led to the demand for a periscope which could be used for looking overhead.

Zeiss made a periscope 7 metres long, main tune 150 mm.

The periscope has been lowered - we don't want a target - or its escorts - noticing a tell-tale periscope wake.

From the beginning of the 20th century, however, the practical introduction of submarine navigation brought about the development of new elaborate periscopes of great length and provided with an optical system of lenses, which were built into the structure of the submarine.

The periscope when installed in the submarine is used for two purposes: (a) general observation for submerged navigation; (b) for correctly aligning the submarine when firing a torpedo at a target.

Synonyms:

U-boat, sub, optical instrument, submarine, pigboat,

Antonyms:

defend, overhead, surface, surface ship,