Christmas Gift-8 Black Antique Brass PERISCOPE for Navy & Military, Cyber Monday

  
8'' Black Commando Antique Solid Brass. Made For Royal Navy LONDON-1917. Fully Functional & Working Periscope for SAILORS, NAVY, etc. A Periscope is an Optical Instrument that is used to see Objects which are not at the Same level as of Observer. In a periscope, light from an object strikes the top Prism at 45° and bounces off at the same angle to reach the bottom prism. It works on the principle of total internal reflection T.

In Periscope, We use the totally reflecting prisms which turn the ray through 90°. Periscopes uses prisms providing magnification operate on Submarines and in various fields of Science. People first started using Periscope in submarines to allow sailors to see above the Water. Inside this Periscope There are 2 Prisms that are Placed in Parallel and Facing Each Other.

Also, there are 2 Mirrors that are Fixed near the Observer's Eye and on the Other End. The 2 Prisms in this Periscope are Placed at 45° degree angle. According to the laws of Reflection, When a ray of light falls on a plane surface. It gets reflected at an angle equal to incident angle.

The Reflected light falls on second prisms and is again reflected. Hence, the first prism captures the desired image and reflects surface of second Prism. In turn, the Second Mirror Reflects the image in a way that it can be viewed by the Observer. This is a Unique Hand-Crafted Item Made FIRST TIME by our 20 Years Experienced Indian Craftsman.

This is a Fully Functional Working Periscope with Wooden Box. And many more to Your LOVED ONE'S.

Item Box Dimensions : 25 x 8 x 7.5 cm ; Total Weight Of this item with Wooden Box : 1.05 kg/2.32 Pounds ; Periscope Length - 8 Inches / 20cm approx. ; Weight of Periscope Only : 0.65kg / 1.4 Pounds. This Antique Item is Made of Pure Antique BRASS, 2 - MIRRORS and 2 - PRISMS ; The Diagram to Explain How this Item Works is Engraved on the top of the Wooden Box.

Can be Used as a Gift Items For Birthday Gifts, Christmas Gift, Fathers Day Gift, etc. BUSINESS CUSTOMERS or B2B Orders are Most Welcome! We Provide Best Quality services at an Affordable & Lowest Price. Your feedback is very important for us. Please write a review or feedback. We Offer the best service throughout the World. This item is in the category "Collectibles\Militaria\Surplus\Personal, Field Gear\Opticals". The seller is "thesifaatworld" and is located in this country: IN. This item can be shipped worldwide.

• Modified Item: No
• Country/Region of Manufacture: India
• Theme: Militaria