{"id":23567,"date":"2019-10-14T15:41:25","date_gmt":"2019-10-14T19:41:25","guid":{"rendered":"https:\/\/www.georgeglazer.com\/wpmain\/?post_type=product&#038;p=23567"},"modified":"2025-08-19T16:41:14","modified_gmt":"2025-08-19T20:41:14","slug":"science-physics-wheels-clocks-vintage-wall-poster-continental-1950s","status":"publish","type":"product","link":"https:\/\/www.georgeglazer.com\/wpmain\/product\/science-physics-wheels-clocks-vintage-wall-poster-continental-1950s\/","title":{"rendered":"Science, Physics, Wheels, Clocks, Vintage Wall Poster, Continental, 1950s"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p><strong>Clock and Water Wheels Physics Chart<\/strong><br \/>\nContinental: c. 1950s<br \/>\nColor-process print mounted on rollers<br \/>\n23.25 x 33.25 inches, image<br \/>\n25.25 x 35.25 inches, overall<br \/>\n36.5 inches, longest roller<br \/>\n$575<\/p>\n<p>Physics or engineering classroom chart on rollers illustrating six types of wheels, labeled A through F. &#8220;A&#8221; is the pendulum clock mechanism invented in 1656 by Dutch mathematician, astronomer, physicist and horologist Christiaan Huygens, and &#8220;B&#8221; appears to be a coil for the clock mechanism. The rest appear to be different types of waterwheels, with &#8220;F&#8221; being the turbine built by French engineer Beno\u00eet Fourneyron in 1827. The parts of the wheels are labeled in lower case letters.<\/p>\n<p>Based on another poster we have in a similar style and mounted on the same kind of rollers, we believe this one probably was published by the State Educational Publishing House in Prague in the 1950s.<\/p>\n<p>Condition: Generally very good with the usual overall expected toning, handling, soft creases, wear for an educational chart.<\/p>\n","protected":false},"featured_media":23574,"template":"","meta":{"wds_primary_product_brand":0,"wds_primary_product_cat":0,"footnotes":""},"product_brand":[],"product_cat":[4175,957,4225,6793,5349,1091,6797],"product_tag":[882,1529,55,2073,6844,2813,1673,1311,2614,6955],"class_list":{"0":"post-23567","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-beach-house","7":"product_cat-chemistry-physics-math","8":"product_cat-childrens-room-decor","9":"product_cat-clocks-and-hourglasses","10":"product_cat-graduation-gifts","11":"product_cat-posters","12":"product_cat-prop-rentals","13":"product_tag-clockwork","14":"product_tag-diagram","15":"product_tag-educational","16":"product_tag-pendulum","17":"product_tag-physics","18":"product_tag-poster","19":"product_tag-print","20":"product_tag-science","21":"product_tag-waterworks","22":"product_tag-wheel","23":"post","24":"post-with-thumbnail","25":"post-with-thumbnail-large","27":"first","28":"instock","29":"shipping-taxable","30":"purchasable","31":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product\/23567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product\/23567\/revisions"}],"predecessor-version":[{"id":44805,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product\/23567\/revisions\/44805"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/media\/23574"}],"wp:attachment":[{"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/media?parent=23567"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product_brand?post=23567"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product_cat?post=23567"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.georgeglazer.com\/wpmain\/wp-json\/wp\/v2\/product_tag?post=23567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}