Description

This Antique Rare Ship Telegraph  is a very early example (est 1888) of a ship telegraph most likely of a Japanese Merchant Ship with some details on the makers plate still evident including Japanese symbols and numbers.

Communication between the ship’s pilot and the engine room in the late 19th century to the mid-20th-century was made with a system called an Engine Order Telegraph (E.O.T.) or ship’s telegraph. The equipment has two parts, the Bridge Section and the Engine Room Section. The Bridge Section is usually mounted onto a pedestal, and the Engine Room Section is attached to a vertical surface and the standard marine commands are printed or stamped around the face of the dial and indicated by a pointer or arrow that is usually moved by a rotating brass section or handle.

The ship’s pilot stationed on the Bridge of a vessel sends his Orders for speed and direction to the Engine Room with the E.O.T and as he moves the lever or levers, depending on the number of engines the ship has, changes the indicator on the Bridge Section’s dial to point in the new direction and speed of travel. This change causes the Orders to be duplicated on the Engine Room Section’s dial and a bell or bells to signal the change at the same time. The engineer then adjusts the ship’s engines and steering equipment to follow the pilot’s Order.

Manufacturer:

CHADBURN & SON, Liverpool-
Chadburn Brothers, William and C.H., were joint inventors and well-established makers of optical and scientific instruments and marine gauges and the firm was granted the Prince Albert Royal Warrant in the late 19th century. In 1870 William Chadburn applied for a patent for his navigational communication device for use on ships.

• By 1875 Chadburn & Son was producing the brass Engine Order Telegraph in its plant at 71 Lord Street, Liverpool.
• In 1911 the ship RMS Titanic was launched, fitted with Chadburn & Sons E.O.T. The Chadburn Ship Telegraph Company Limited was registered in 1898 to take over Chadburn & Sons.
• In 1903 a large factory at Bootle, near Liverpool, and their products were being sold overseas.
• In 1920 electric-powered telegraphs were developed and in 1944 the name changed to Chadburn’s (Liverpool) Limited.
• In 1968 the company became Chadburn Bloctube Ltd.
• In 2000 the company, now Bloctube Marine Limited, was still manufacturing ship telegraphs.

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