{"product_id":"historic-photo-new-york-haven-hartford-railroad-cos-cob-power-v27","title":"Historic Photo : New York, New Haven \u0026 Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT 27 Photograph","description":"\u003cp\u003e62. VIEW LOOKING NORTHWEST AT THE OIL FILLED CIRCUIT BREAKER FOR GENERATOR NUMBER 1. CIRCUIT BREAKERS ARE AUTOMATED SWITCHES WHICH DISCONNECT THE GENERATORS FROM THE LINE WHEN SHORT CIRCUITS OCCUR. WHEN CIRCUITS INVOLVING HIGH CURRENTS AND VOLTAGES ARE BROKEN, THE AIR SURROUNDING MECHANICAL PARTS OF THE SWITCH BECOMES IONIZED AND CONTINUES TO CONDUCT ELECTRIC POWER ACROSS ANY GAP IN THE SWITCH CONTACTS. TO PREVENT THIS AND INSURE A POSITIVE INTERRUPTION OF CURRENT, THE SWITCH CONTACTS ARE IMMERSED IN A CONTAINER OF OIL. THE OIL DOES NOT SUPPORT THE FORMATION OF AN ARC AND EFFECTIVELY CUTS OFF THE CURRENT WHEN THE SWITCH CONTACTS ARE OPENED. - New York, New Haven \u0026amp; Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT\u003c\/p\u003e","brand":"Historic Pictoric","offers":[{"title":"08in x 12in","offer_id":44909336625315,"sku":"3029343_0812__PH02","price":24.99,"currency_code":"USD","in_stock":true},{"title":"16in x 24in","offer_id":44909336723619,"sku":"3029343_1624__PH02","price":49.99,"currency_code":"USD","in_stock":true},{"title":"24in x 36in","offer_id":44909336821923,"sku":"3029343_2436__PH02","price":59.99,"currency_code":"USD","in_stock":true},{"title":"30in x 44in","offer_id":44909336920227,"sku":"3029343_3044__PH02","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0414\/5437\/0979\/products\/395703.jpg?v=1683148374","url":"https:\/\/historicpictoric.com\/products\/historic-photo-new-york-haven-hartford-railroad-cos-cob-power-v27","provider":"Historic Pictoric","version":"1.0","type":"link"}