Noun:

ডুবো-জাহাজ পরিখা প্রভৃতি হইতে উপরের বস্তু দেখার জন্য আয়নাযুক্ত যন্ত্রবিশেষ,

periscope's Usage Examples:

A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from.

form was called "trench binoculars", a combination of binoculars and periscope, often used for artillery spotting purposes.

Light machine guns or automatic rifles Vision blocks Mounted binoculars A periscope (located on the top of the bell) A 50 mm mortar The cloche consisted of.

showing the submarine and any ships whose position can be detected, the periscope view if the sub is close enough to the surface, a set of gauges showing.

Also, "periscope feather" (the wave created by the snorkel or periscope moving through the water) can be spotted in.

She came up to periscope depth and saw the Japanese periscope so she decided to make an end around.

When Trigger returned to periscope depth, the enemy.

submarine had been using very little periscope, but after hearing the torpedoes strike, they lifted the periscope and realised there was an escort of 4-6.

Synonyms:

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

Antonyms:

defend; overhead; surface; surface ship;