Electrical Items

Colliery Lock-Out Key – Lock Out Box

Colliery Lock-Out Key – Lock Out Box. Colliery Lock-Out Key – Lock Out Box. Made by Stedfast Electrical Controls Ltd. Type S-2. Made from Cast Iron, Plastic and Brass. Size 8″ x 5″ x 5″ inches. Date 1970s. Commonly known as Lock-Out Boxes. These Lock-Out Boxes were bolted to the framework of conveyor belts (about fifty yards apart) and Panzer ... Read More »

Colliery Lock-Out Key

Colliery Lock-Out Key. Colliery Lock-Out Key. Made by the Communication & Control Engineering Company. Model PK-190s. Made from Metal, Plastic and Rubber. Size 10″ x 5″ x 3″ inches. Date 1980s. These Lock-Out Boxes were connected with each other by long lengths of wire and cable and bolted to the framework of conveyor belts at intervals of approximately 50 yards. ... Read More »

Electricians Lock-Out/Safety Tool and Lock

Electricians Lock-Out Safety Tool. Electricians Lock-Out/Safety Tool and Lock. Size – Lock-Out Tool 7 1/2″ x 3″. Pad Lock 5″ x 2″ inches. All the electrical panels on-off switches had safety holes which enabled the electrician to clamp this tool through the panel front and switch and would place a padlock through the holes in the handle of the tool, ... Read More »

Shaft Signalling Bell

An Electric Shaft Signalling Bell. A Shaft Signalling Bell. Made by Plessey Communication Systems. Size 13″ x 6″ x 4″ inches. This type of Bell was mounted in an upright position on a board above the Bank of the Shaft. Read More »

A Shaft Signalling Key (Knocker Box)

Shaft Signalling Key. A Shaft Signalling Key (Knocker Box). Made by Davis of Derby. Made from Iron and Cast Iron. Size 6″ x 4″ x 2″ inches. These Signalling Keys were mounted onto the control panel in an upright position (as seen in the image left) and used to signal from Pit-Bottom to the Bank to inform the surface if ... Read More »

An Amperes A.C. Meter

Amperes A.C. Meter. An Amperes A.C. Meter. Made by the Weston Electrical Instrument Corp, Newark, New Jersey, USA. Model 155, Model No 67164. Made from Wood, with Rubber feet on the back and side of the unit, a Leather carrying handle and 2 screw terminals on the top. Size 6″ x 6″ x 3″inches. The last readings are written on ... Read More »

Vintage Millivolts Testing Machine

Millivolts Testing Machine. Vintage Millivolts testing machine “The Megger” it has a flip over front metal gauge cover. It is made of Mahogany wood and has rubber feet on the bottom and side. Size 9″ x 7″ X 4″ inches.     Read More »

Davis of Derby Electric Signalling Bell

Davis of Derby Electric Signalling Bell. Davis of Derby electric signalling bell, called “The Bluebell” used for shaft and haulage engine signalling. Size 15″ x 6″ inches. Most, if not all of these bells had a small light bulb in a glass housing fixed into the centre of the metal plate at the top of the bell, to visually aid ... Read More »

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