Located in Milan, OH, USA

Item #P5-17

Rostand MFG. Co. Milford Conn. Single Dog Brass Porthole


Shipping Price

In Stock

This salvaged single dog brass porthole by the Rostand MFG. Co. is made of solid brass. The outer ring of the brass porthole is marked “Rostand MFG. Co. 8″ 186” and “R/2 Milford Conn.” The Rostand MFG Co. Was located in Milford, Connecticut between 1920-1945.

The brass porthole frame measures 11 1/2 inches in diameter.  The original glass measures 7 3/4 inches in diameter.  The flange ring on the back of the frame is 8 1/4 inches in diameter and extends out by 1 inches.  This single dog porthole weighs 12.6 pounds.

The original glass will have surface wear and minor scratches.

You will be shipped a salvaged single dog brass porthole like the one shown in the photos.


The word “porthole” has nothing to with its location on the port side of a ship, but originated thanks to Henry VII of England in 1485. The king demanded on mounting guns that were too large for his ships and French shipbuilder, James Baker was brought on to solve the problem. He pierced the ship’s side so that the cannon can could be mounted inside. When there was heavy weather or the cannons were not in use, the openings in the ships were fitted with covers that latched tightly. These were called porte, which means door in French. Porte became port thanks to the English and eventually any opening on a ship was called a porthole.

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