{"product_id":"device-for-adjusting-cannon-trajectory-and-accuracy-20x30-poster","title":"Device for Adjusting Cannon Trajectory and Accuracy 20x30 poster","description":"Series: Industrial America - Invention\u003cbr\u003eArtist:  Unknown\u003cbr\u003ePeriod: \u003cbr\u003eSource country: USA\u003cbr\u003eSource Year: 1883\u003cbr\u003e\u003cbr\u003eAfter firing a canon, the most difficult task was to repeat the shot by setting the gun back in the original firing position.  Accuracy upon a military target was crucial and saved lives.  This device was a way to correct for recoil and place the shot on the original target\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e20inch by 30 inch poster print on standard paper.\u003cbr\u003e\u003cbr\u003eAll files are stored digitally and are ready for reproduction.  The quality is closely monitored to ensure professional results.\u003cbr\u003e\u003cbr\u003eThis item takes 5-9 business-days to ship\u003cp\u003e\u003cb\u003eThis item is custom made per order.\u003c\/b\u003e\u003c\/p\u003e","brand":"DSDI","offers":[{"title":"Default","offer_id":986766920,"sku":"DDDSD487780","price":31.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7661\/products\/DDDSD487780_04b7547f-4d7f-4d35-b1b0-d7019075a9e3.jpeg?v=1575940543","url":"https:\/\/shop.birdseyeblue.com\/products\/device-for-adjusting-cannon-trajectory-and-accuracy-20x30-poster","provider":"Birds Eye Blue.com","version":"1.0","type":"link"}