{"product_id":"de-icing-pressure-indicator-an5771-3-b-17-b-24-b-29-bombers","title":"De-Icing Pressure Indicator, AN5771-3, B-17, B-24, B-29 Bombers","description":"\u003cp\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan rwr=\"1\" size=\"4\"\u003e\u003cspan face=\"Verdana\"\u003e\u003cspan size=\"4\"\u003eThis is a De-Icing Pressure Indicator for the de-icing system used in WWII US Army Air Forces aircraft such as the B-17 Flying Fortress, B-24 Liberator, and B-29 Superfortress.  Made by Electric Auto-Lite with a serial number prefix of AF43, likely made for a US Army Air Force order during 1943.  On the B-17G, the indicator appeared on the Pilot's overhead Compass Panel, see illustration from the B-17G Erection and Maintenance Manual in the photos.  In the B-24, the indicator was positioned below the co-pilots instrument panel, and on the B-29 it was installed on the flight engineers instrument panel.  When the de-icing system is engaged by flipping a toggle switch, the indicator displayed the pressure being applied to the rubber surface de-icer boots along the leading edges of the wings and empennage to dislodge ice which has formed, with a normal indication of 7-10 PSI.  \u003c\/span\u003e\u003c\/span\u003e\u003cspan size=\"4\"\u003e\u003cspan face=\"Verdana\"\u003eMeasures 2.25in diameter and ~2in deep. \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003eIt is in excellent condition given its age.  The dial markings are clear and the glass and case are intact. See photos.  \n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Electric Auto-Lite","offers":[{"title":"Default Title","offer_id":67754012475680,"sku":"ijx1791920729671","price":14.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/7054\/6976\/files\/de-icing-pressure-indicator-an5771-3-b-17-b-24-b-29-bombers_1.jpg?v=1791920734","url":"https:\/\/dailystylestore.shop\/products\/de-icing-pressure-indicator-an5771-3-b-17-b-24-b-29-bombers","provider":"My Store","version":"1.0","type":"link"}