Lot of 7 Antique Cenco Central Scientific Co Slate & Wood Base Telegraph Keys For Sale

Lot of 7 Antique Central Scientific Co. (Cenco) Laboratory Apparatus Switches & Telegraph Keys

Up for sale is an incredible vintage lot of seven (7) early 1900s laboratory electrical switches and telegraph keys manufactured by Central Scientific Co. (Cenco) Chicago, USA.

These historic pieces feature heavy slate, Bakelite, and stained wood mounting bases, nickel-plated brass contact straps, knurled binding post terminals, and original bakelite/hard rubber adjustment knobs.

DETAILS & INVENTORY:

• Quantity: Seven (7) antique switches total.

• Slate / Composition Base Switches (4 Total): Stamped \"Central Scientific Co. Chicago\" in script script on metal blades. Includes three single-blade tap key switches and one complex multi-contact telegraph/bridge reversing key switch labeled COND, BATT, and APP terminals.

• Stained Wood Base Switches (3 Total): Early open-frame strap switches and keys mounted on solid hardwood block bases with brass knurled thumb nuts.

• Brand: Central Scientific Company (Cenco) Chicago.

• Physical Condition: Outstanding display condition for early scientific apparatus. Slate and wood bases are complete without cracks. Metal blades and binding posts show attractive age tarnish and light oxidation. All mechanical pivots operate smoothly.

• Testing Status: Untested for electrical continuity. Sold AS-IS due to antique age.

PACKAGING & SHIPPING:These items are heavy due to the slate bases. Each piece will be individually wrapped in heavy bubble wrap and packed in a reinforced shipping box with extra void fill to prevent breakage during transit.

Please inspect all high-resolution photos for exact condition details. Feel free to message with any questions!