{"id":6487,"date":"2024-07-22T19:39:01","date_gmt":"2024-07-22T17:39:01","guid":{"rendered":"https:\/\/amis-maregraphe-marseille.fr\/?page_id=6487"},"modified":"2025-01-02T17:34:36","modified_gmt":"2025-01-02T16:34:36","slug":"6487-2","status":"publish","type":"page","link":"https:\/\/amis-maregraphe-marseille.fr\/?page_id=6487","title":{"rendered":"L’appareil m\u00e9canique"},"content":{"rendered":"

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L’appareil m\u00e9canique
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Cette page comprend trois parties contenant des documents r\u00e9dig\u00e9s par Alain Faure <\/strong>et Christian Garing<\/strong>, tous deux anciens professeurs agr\u00e9g\u00e9s au Lyc\u00e9e Thiers de Marseille.
Ces documents ont en commun de traiter de l’appareil m\u00e9canique qui \u00e9quipe l’observatoire de Marseille (sa conception, sa fabrication, son fonctionnement) et tout particuli\u00e8rement de son int\u00e9grateur m\u00e9canique ou \u00ab\u00a0totalisateur\u00a0\u00bb.<\/p>\n

1 – La conception et la fabrication du mar\u00e9graphe m\u00e9canique de Marseille<\/strong><\/p>\n

Les fichiers PDF pr\u00e9sent\u00e9s ci-dessous compl\u00e8tent et mettent \u00e0 jour les pages 167 \u00e0 191 du livre<\/strong> <\/span>\u00ab\u00a0Le mar\u00e9graphe de Marseille\u00a0\u00bb<\/span><\/strong><\/a> \u00e9dit\u00e9 en 2014. Les nouvelles recherches sur l’histoire primitive du mar\u00e9graphe totalisateur de Marseille ont \u00e9t\u00e9 effectu\u00e9es en 2024 par Fr\u00e9d\u00e9rique Chambonnet<\/strong> et Christian Garing<\/strong>, deux membres de notre association. Leurs r\u00e9sultats ont \u00e9t\u00e9 mis en forme, en Fran\u00e7ais et en Allemand, par Christian Garing<\/strong>.<\/p>\n

Ces fichiers t\u00e9moignent de la coop\u00e9ration passionn\u00e9e de trois hommes, r\u00e9unis par la r\u00e9alisation d’un appareil scientifique aujourd’hui unique au monde :<\/p>\n

\u2022 <\/span>Friedrich Hermann Reitz (1831-1886), g\u00e9nial ing\u00e9nieur allemand, inventeur et concepteur des mar\u00e9graphes totalisateurs ;<\/p>\n

\u2022 <\/span>Charles Lallemand (1857-1938), brillant polytechnicien fran\u00e7ais, qui a fait d\u00e9couvrir le \u00ab\u00a0Syst\u00e8me Reitz\u00a0\u00bb \u00e0 la Commission du nivellement g\u00e9n\u00e9ral de la France et a longuement correspondu avec F. H. Reitz pour apporter des am\u00e9liorations significatives aux mar\u00e9graphes totalisateurs existant pr\u00e9c\u00e9demment ;<\/p>\n

\u2022 <\/span>Johann Christian Dennert (1829-1920), fondateur de l\u2019entreprise Dennert & Pape, qui a fabriqu\u00e9 l\u2019appareil de Marseille \u00e0 Altona en Allemagne en 1884.<\/p>\n

 <\/p>\n

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Sommaire<\/strong><\/a><\/span><\/p>\n

1 – Origine et sources des recherches<\/strong><\/a><\/span><\/p>\n

2 – La firme Dennert & Pape \u00e0 Hambourg<\/strong><\/a><\/span><\/p>\n

3 – La firme Dennert & Pape \u00e0 Altona<\/strong><\/a><\/span><\/p>\n

4 – La dynastie Dennert<\/strong><\/a><\/span><\/p>\n

5 – F. H. Reitz et ses mar\u00e9graphes<\/strong><\/span><\/a><\/p>\n

Annexe 1 : g\u00e9n\u00e9alogie Reitz<\/strong><\/a><\/span><\/p>\n

Annexe 2 : plan de Hambourg et Altona en 1884 et 1888<\/strong><\/span><\/a><\/p>\n

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Inhalt<\/span><\/strong><\/a><\/p>\n

1 – Ursprung und Quellen der Recherchen<\/span><\/strong><\/a><\/p>\n

2 – Die Firma Dennert & Pape in Hamburg<\/strong><\/a><\/span><\/p>\n

3 – Die Firma Dennert & Pape in Altona<\/strong><\/a><\/span><\/p>\n

4 – Die Dennert-Dynastie<\/strong><\/a><\/span><\/p>\n

5 – F. H. Reitz und seine Flutmesser<\/strong><\/a><\/span><\/p>\n

Anhang 1 – Reitz Genealogie<\/strong><\/a><\/span><\/p>\n

Anhang 2 – Stadtplan Hamburg – Altona von 1884 und 1888<\/strong><\/span><\/a><\/p>\n

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<\/strong><\/p>\n

2 – Le <\/strong>mar\u00e9graphe m\u00e9canique de Marseille – <\/strong>De l\u2019enregistreur au totalisateur<\/strong><\/p>\n

Ce m\u00e9moire de 40 pages<\/strong><\/a><\/span>, r\u00e9dig\u00e9 par Alain Faure<\/strong>, pr\u00e9sente du point de vue math\u00e9matique<\/strong> l’\u00e9volution des sciences et techniques qui a permis la fabrication du mar\u00e9graphe m\u00e9canique de Marseille, et d\u00e9crit l\u2019utilisation pratique de cet appareil. Si sa compr\u00e9hension globale et les parties \u00e9crites en noir sont accessibles \u00e0 tous, certains passages, \u00e9crits en bleu, n\u00e9cessitent un niveau bac+1 en math\u00e9matiques.<\/p>\n

<\/strong><\/p>\n

3 – Le fonctionnement du totalisateur<\/strong><\/p>\n

Ce document de 6 pages<\/span><\/strong><\/a>, r\u00e9dig\u00e9 par Christian Garing<\/strong>, donne l\u2019explication physique<\/strong> du principe de fonctionnement du totalisateur, dans une pr\u00e9sentation actuelle. Sa lecture n\u00e9cessite un niveau bac+1 en physique. Cette explication s’appuie sur une analogie pratique : le compteur \u00e9lectrique.<\/p>\n

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L’appareil m\u00e9caniqueCette page comprend trois parties contenant des documents r\u00e9dig\u00e9s par Alain Faure et Christian Garing, tous deux anciens professeurs agr\u00e9g\u00e9s au Lyc\u00e9e Thiers de Marseille.Ces documents ont en commun de traiter de l’appareil m\u00e9canique qui \u00e9quipe l’observatoire de Marseille (sa conception, sa fabrication, son fonctionnement) et tout particuli\u00e8rement de son int\u00e9grateur m\u00e9canique ou \u00ab\u00a0totalisateur\u00a0\u00bb. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-6487","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/pages\/6487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6487"}],"version-history":[{"count":101,"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/pages\/6487\/revisions"}],"predecessor-version":[{"id":6952,"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=\/wp\/v2\/pages\/6487\/revisions\/6952"}],"wp:attachment":[{"href":"https:\/\/amis-maregraphe-marseille.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}