{"product_id":"dynamo-electric-machine-patent-by-d-m-bliss","title":"Dynamo electric machine patent by D M Bliss.","description":"\u003cp\u003eDynamo Electric Machine — US Patent No. 669,574, patented March 12, 1901. This artwork is the original patent illustration submitted by the inventor, showing two engraved figures: a frontal sectional view and a longitudinal cutaway. Executed in precise black-ink linework, the drawing details the internal arrangement of field magnets, armature, shaft, and housing within a compact circular frame. Medium: U.S. Patent Office technical engraving. The image prioritizes mechanical clarity, symmetry, and labeled components, serving as both legal documentation and visual record of early electromechanical design.\u003c\/p\u003e\n\u003cp\u003eD. M. Bliss was an American inventor active at the turn of the 20th century, a period defined by rapid refinement of power-generating machinery. His work reflects the practical engineering culture of the era, where innovation centered on improving efficiency, structure, and reliability through specific mechanical configurations. Bliss’s patent stands as a representative artifact of early electrical-industrial invention, preserved through formal patent illustration rather than commercial branding.\u003c\/p\u003e","brand":"Historicalimages","offers":[{"title":"21x29.7 cm \/ 8x12\" \/ On White","offer_id":52831491588433,"sku":"3b759956-25c9-41c7-a600-c8507a088947","price":23.42,"currency_code":"USD","in_stock":false},{"title":"21x29.7 cm \/ 8x12\" \/ On Cream","offer_id":52831491621201,"sku":"729cc004-cb63-4296-9db4-5f0757e4be82","price":23.42,"currency_code":"USD","in_stock":false},{"title":"21x29.7 cm \/ 8x12\" \/ On Black","offer_id":52831491653969,"sku":"0510bb42-502a-41de-83e5-a5a071e066d1","price":23.42,"currency_code":"USD","in_stock":false},{"title":"21x29.7 cm \/ 8x12\" \/ Blue Print","offer_id":52831491686737,"sku":"7c5d9e5b-b4d0-46b7-ac77-050ed011997c","price":23.42,"currency_code":"USD","in_stock":false},{"title":"21x29.7 cm \/ 8x12\" \/ Vintage","offer_id":52831491719505,"sku":"6ba99b74-c872-462c-8c91-8b136f72cfa6","price":23.42,"currency_code":"USD","in_stock":false},{"title":"21x29.7 cm \/ 8x12\" \/ On Blackboard","offer_id":52831491752273,"sku":"4a805934-b0a8-422a-81ee-c66a21b6043d","price":23.42,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ On White","offer_id":52831491785041,"sku":"120a3f5b-5150-40e1-bffa-76525f7886ae","price":47.09,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ On Cream","offer_id":52831491817809,"sku":"39123028-f6d2-449b-8397-395df7137729","price":47.09,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ On Black","offer_id":52831491850577,"sku":"6f72bbf3-fbb5-4b66-b9ec-ab310496ac38","price":47.09,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ Blue Print","offer_id":52831491883345,"sku":"08ba46a7-40f0-4f05-9622-410ce4909028","price":47.09,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ Vintage","offer_id":52831491916113,"sku":"e43cdb5b-d0ad-4856-9942-f9d2d5373b21","price":47.09,"currency_code":"USD","in_stock":false},{"title":"A3 (29.7 x 42  cm) \/ On Blackboard","offer_id":52831491948881,"sku":"23830b23-aab8-4f98-a520-d3a4d9cf3b6f","price":47.09,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ On White","offer_id":52831491981649,"sku":"3d5f5058-d7f9-426e-903f-528760b7dbcd","price":47.72,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ On Cream","offer_id":52831492014417,"sku":"8048f43f-4ec7-482c-b068-a9d1e579e050","price":47.72,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ On Black","offer_id":52831492047185,"sku":"240a55df-f8b9-492c-bde8-4fa18978715d","price":47.72,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ Blue Print","offer_id":52831492079953,"sku":"12742e4b-fbd5-4826-a0ad-0568c39d37bd","price":47.72,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ Vintage","offer_id":52831492112721,"sku":"e7e63066-a76f-4c86-a195-a3d23cbb145b","price":47.72,"currency_code":"USD","in_stock":false},{"title":"30x45 cm \/ 12x18″ \/ On Blackboard","offer_id":52831492145489,"sku":"cca772dc-0df8-42f5-91c4-fc746c002c80","price":47.72,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ On White","offer_id":52831492178257,"sku":"fd8113d4-6e4a-4c61-8f1f-967ddd9997e9","price":51.09,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ On Cream","offer_id":52831492211025,"sku":"dc8d199d-5497-4ec1-8c02-02208605d56b","price":51.09,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ On Black","offer_id":52831492243793,"sku":"8c7df84f-2c90-42a5-bbb9-bbe13fb84218","price":51.09,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ Blue Print","offer_id":52831492276561,"sku":"73481e5b-ed4d-4bcc-b067-98548f9dc2ba","price":51.09,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ Vintage","offer_id":52831492309329,"sku":"dbbcff8f-34d9-4e64-b1f9-b80be96f6e8a","price":51.09,"currency_code":"USD","in_stock":false},{"title":"40x60 cm \/ 16x24″ \/ On Blackboard","offer_id":52831492342097,"sku":"93aba0cf-3eed-42fe-ad50-3db96d274d8d","price":51.09,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ On White","offer_id":52831492374865,"sku":"7c59c2bb-74ff-41ca-8f2e-5b53f92f9e77","price":51.81,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ On Cream","offer_id":52831492407633,"sku":"d9add43d-5124-4f70-9e47-15e4d747106c","price":51.81,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ On Black","offer_id":52831492440401,"sku":"5a897344-a904-4dc6-b789-82b6cdb497b9","price":51.81,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ Blue Print","offer_id":52831492473169,"sku":"e602c85d-9e4e-4f92-aeca-6dbde628001b","price":51.81,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ Vintage","offer_id":52831492505937,"sku":"0b0c6feb-01f3-4487-9e99-9424e03655d7","price":51.81,"currency_code":"USD","in_stock":false},{"title":"A2 (42 x 59.4  cm) \/ On Blackboard","offer_id":52831492538705,"sku":"8bf7c362-2541-4b9c-824d-6c1c817f2349","price":51.81,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ On White","offer_id":52831492571473,"sku":"df8c48df-157b-4bfd-99e9-a29dd473ea5d","price":53.28,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ On Cream","offer_id":52831492604241,"sku":"944e7e3e-a4a1-4eff-885e-f904c1adab15","price":53.28,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ On Black","offer_id":52831492637009,"sku":"7867595a-abb0-4320-a763-2e29f68efa7a","price":53.28,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ Blue Print","offer_id":52831492669777,"sku":"40eefe20-9703-44d7-b49f-e9328ce5a16d","price":53.28,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ Vintage","offer_id":52831492702545,"sku":"e4a69660-9b73-4500-b53b-a4b3cd8cf82d","price":53.28,"currency_code":"USD","in_stock":false},{"title":"45x60 cm \/ 18x24″ \/ On Blackboard","offer_id":52831492735313,"sku":"211366f8-940e-4ec7-93cc-1ad4882fd6e4","price":53.28,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ On White","offer_id":52831492768081,"sku":"03d43f1f-30c4-4cda-bb49-6e50e71ee25b","price":54.04,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ On Cream","offer_id":52831492800849,"sku":"cb3b2d6d-7b1d-407f-ac11-64fe12badc4a","price":54.04,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ On Black","offer_id":52831492833617,"sku":"b5975f8d-d6d2-493a-8407-3262ac195a32","price":54.04,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ Blue Print","offer_id":52831492866385,"sku":"3e1594a1-7c3d-4beb-b5fc-f7fdec4a1435","price":54.04,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ Vintage","offer_id":52831492899153,"sku":"09ec9626-4025-479e-84f1-c93501eabc68","price":54.04,"currency_code":"USD","in_stock":false},{"title":"50x70 cm \/ 20x28″ \/ On Blackboard","offer_id":52831492931921,"sku":"f496b880-4321-4674-bfd1-3d840bd86299","price":54.04,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ On White","offer_id":52831492964689,"sku":"148a6bd3-6f26-472a-bb5e-4dc8e946142a","price":59.53,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ On Cream","offer_id":52831492997457,"sku":"e64666dc-0bc8-453d-8805-72ab7ff9c16a","price":59.53,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ On Black","offer_id":52831493030225,"sku":"238cd087-f5bc-491f-8688-9065a4f52f71","price":59.53,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ Blue Print","offer_id":52831493062993,"sku":"7ddc8de4-ccce-4279-b76d-52054117d780","price":59.53,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ Vintage","offer_id":52831493095761,"sku":"373c4a1d-9c04-4f18-8152-d61b54a8fe91","price":59.53,"currency_code":"USD","in_stock":false},{"title":"A1 (59.4 x 84.1  cm) \/ On Blackboard","offer_id":52831493128529,"sku":"9f5fe41d-0079-455e-9d20-32c9caef53fd","price":59.53,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ On White","offer_id":52831493161297,"sku":"bf14b6d9-3f78-4f8d-aef5-c55fd1d087c2","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ On Cream","offer_id":52831493194065,"sku":"c9e41702-5133-4f41-9ca0-513a2e06e848","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ On Black","offer_id":52831493226833,"sku":"419b22a5-7bea-44cb-9b00-e830a27e8f73","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ Blue Print","offer_id":52831493259601,"sku":"acb9ecd3-8f32-4305-b09b-643acc4a50a1","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ Vintage","offer_id":52831493292369,"sku":"5902c7a1-1172-4a1e-bc05-63585b322b1f","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x80 cm \/ 24x32″ \/ On Blackboard","offer_id":52831493325137,"sku":"f0f6c6be-e73c-4848-bff5-05558af65665","price":57.94,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ On White","offer_id":52831493357905,"sku":"c9ef2b26-204b-4794-82b1-0ca22e461bd4","price":60.36,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ On Cream","offer_id":52831493390673,"sku":"2883a0fb-e531-4a87-97a3-7844483697d1","price":60.36,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ On Black","offer_id":52831493423441,"sku":"47a38a96-f8cf-4662-88c6-b2d87d525a79","price":60.36,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ Blue Print","offer_id":52831493456209,"sku":"7c245e57-b3a7-40ee-b750-9fb79c566b0c","price":60.36,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ Vintage","offer_id":52831493488977,"sku":"99d4f7ce-19bf-4edd-afc5-46c2faef6e26","price":60.36,"currency_code":"USD","in_stock":false},{"title":"60x90 cm \/ 24x36″ \/ On Blackboard","offer_id":52831493521745,"sku":"c3c692de-3e7b-4701-9073-3538dbec8d76","price":60.36,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ On White","offer_id":52831493554513,"sku":"e5ae1c93-fad4-4c03-9919-c6657d686c65","price":61.17,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ On Cream","offer_id":52831493587281,"sku":"c1a4fffb-18fe-4abc-980f-62898e6f83e3","price":61.17,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ On Black","offer_id":52831493620049,"sku":"6748be6d-79b2-42e9-9495-0ea5df986a28","price":61.17,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ Blue Print","offer_id":52831493652817,"sku":"91d6b594-a4e0-47bd-8f34-c2cbfa2c480f","price":61.17,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ Vintage","offer_id":52831493685585,"sku":"b238f297-878d-4375-b453-f1cedc79e2df","price":61.17,"currency_code":"USD","in_stock":false},{"title":"70x100 cm \/ 28x40″ \/ On Blackboard","offer_id":52831493718353,"sku":"1b731263-9925-43f4-a1ff-878fad4c7432","price":61.17,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ On White","offer_id":52831493751121,"sku":"96edc401-526b-4ef5-9262-ed40e4509d29","price":62.04,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ On Cream","offer_id":52831493783889,"sku":"ef07a91b-3c36-4a94-b855-dc9faf7e0b08","price":62.04,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ On Black","offer_id":52831493816657,"sku":"7b0b2120-6b14-42fd-acc2-2f8cdaa06c9e","price":62.04,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ Blue Print","offer_id":52831493849425,"sku":"69c3990a-b414-4feb-b780-35743852d2f6","price":62.04,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ Vintage","offer_id":52831493882193,"sku":"32adb47e-7f26-4d49-a904-2c01e89c6927","price":62.04,"currency_code":"USD","in_stock":false},{"title":"75x100 cm \/ 30x40″ \/ On Blackboard","offer_id":52831493914961,"sku":"a0c89528-df61-4204-a700-600e090a5f4d","price":62.04,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ On White","offer_id":52831493947729,"sku":"0f0acf73-fcb1-42bb-805a-7bff63e80ab8","price":64.02,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ On Cream","offer_id":52831493980497,"sku":"0ea4b4b1-8ff1-4add-9e06-4f2538e0423d","price":64.02,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ On Black","offer_id":52831494013265,"sku":"ac8ea90f-f23a-4a50-bf68-3b1581a52c92","price":64.02,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ Blue Print","offer_id":52831494046033,"sku":"4a4e615d-e24b-404a-8fed-483bc84b6cfc","price":64.02,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ Vintage","offer_id":52831494078801,"sku":"c89a917a-e07f-4edb-955a-0dd0ce4fbf08","price":64.02,"currency_code":"USD","in_stock":false},{"title":"A0 (84.1 x 118.9  cm) \/ On Blackboard","offer_id":52831494111569,"sku":"2fbcd0fc-2589-4e46-85e2-7587cb809845","price":64.02,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/4048\/9809\/files\/fedd77a1-4f2e-4eca-a995-8608a233f2a9_114c36ef-3ecf-4942-8a00-f94217ce77a2.jpg?v=1778895063","url":"https:\/\/historicalimages.com\/products\/dynamo-electric-machine-patent-by-d-m-bliss","provider":"Historicalimages","version":"1.0","type":"link"}