Building The perfect Telescope .PDF تحميل

القائمة الرئيسية

الصفحات

window['__wavt'] = 'AOuZoY4e3wgtr3EoGbohjjEEdCr9wXukOA:1713981006527';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d1998916362578127840','//www.physics-pdf.com/2016/03/building-perfect-telescope-pdf.html','1998916362578127840'); _WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '1998916362578127840', 'title': '\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645', 'url': 'https://www.physics-pdf.com/2016/03/building-perfect-telescope-pdf.html', 'canonicalUrl': 'https://www.physics-pdf.com/2016/03/building-perfect-telescope-pdf.html', 'homepageUrl': 'https://www.physics-pdf.com/', 'searchUrl': 'https://www.physics-pdf.com/search', 'canonicalHomepageUrl': 'https://www.physics-pdf.com/', 'blogspotFaviconUrl': 'https://www.physics-pdf.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': 'UA-84736626-3', 'encoding': 'UTF-8', 'locale': 'ar', 'localeUnderscoreDelimited': 'ar', 'languageDirection': 'rtl', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645 - Atom\x22 href\x3d\x22https://www.physics-pdf.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645 - RSS\x22 href\x3d\x22https://www.physics-pdf.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645 - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/1998916362578127840/posts/default\x22 /\x3e\n\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645 - Atom\x22 href\x3d\x22https://www.physics-pdf.com/feeds/6294969692950403292/comments/default\x22 /\x3e\n', 'meTag': '', 'adsenseClientId': 'ca-pub-3509820197233557', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': true, 'adsenseAutoAds': true, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/a492d7e068c3786e', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': '\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0631\u0627\u0628\u0637', 'key': 'link', 'shareMessage': '\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0631\u0627\u0628\u0637', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': '\u0645\u0634\u0627\u0631\u0643\u0629 \u0625\u0644\u0649 Facebook', 'target': 'facebook'}, {'name': '\u0643\u062a\u0627\u0628\u0629 \u0645\u062f\u0648\u0646\u0629 \u062d\u0648\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u0629', 'key': 'blogThis', 'shareMessage': '\u0643\u062a\u0627\u0628\u0629 \u0645\u062f\u0648\u0646\u0629 \u062d\u0648\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u0629', 'target': 'blog'}, {'name': 'Twitter', 'key': 'twitter', 'shareMessage': '\u0645\u0634\u0627\u0631\u0643\u0629 \u0625\u0644\u0649 Twitter', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': '\u0645\u0634\u0627\u0631\u0643\u0629 \u0625\u0644\u0649 Pinterest', 'target': 'pinterest'}, {'name': '\u0628\u0631\u064a\u062f \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a', 'key': 'email', 'shareMessage': '\u0628\u0631\u064a\u062f \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27ar\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': true, 'jumpLinkMessage': 'Read more \xbb', 'pageType': 'item', 'postId': '6294969692950403292', 'postImageThumbnailUrl': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYssp8W815VMHQ35YU_FUCLGRqAm3A13VXk1qXOv11xgigCx_lRaT6VSJ-iWw4mVD1aN3FpQe0yZMVNVgsvb2JxTBs7e4YHeTQZaX6fjHY7MG0dYOwfznZk21xJO_LoVZ9N6VxX0Q79lw/s72-c/Screenshot+%2528157%2529.png', 'postImageUrl': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYssp8W815VMHQ35YU_FUCLGRqAm3A13VXk1qXOv11xgigCx_lRaT6VSJ-iWw4mVD1aN3FpQe0yZMVNVgsvb2JxTBs7e4YHeTQZaX6fjHY7MG0dYOwfznZk21xJO_LoVZ9N6VxX0Q79lw/s640/Screenshot+%2528157%2529.png', 'pageName': ' Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ', 'pageTitle': '\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645: Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ', 'metaDescription': 'Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ,'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': '\u062a\u0639\u062f\u064a\u0644', 'linkCopiedToClipboard': '\u062a\u0645 \u0646\u0633\u062e \u0627\u0644\u0631\u0627\u0628\u0637 \u0625\u0644\u0649 \u0627\u0644\u062d\u0627\u0641\u0638\u0629', 'ok': '\u062d\u0633\u0646\u064b\u0627', 'postLink': '\u0631\u0627\u0628\u0637 \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u0629'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': '\u0645\u062e\u0635\u0635', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': ' Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ', 'description': 'Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ,', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYssp8W815VMHQ35YU_FUCLGRqAm3A13VXk1qXOv11xgigCx_lRaT6VSJ-iWw4mVD1aN3FpQe0yZMVNVgsvb2JxTBs7e4YHeTQZaX6fjHY7MG0dYOwfznZk21xJO_LoVZ9N6VxX0Q79lw/s640/Screenshot+%2528157%2529.png', 'url': 'https://www.physics-pdf.com/2016/03/building-perfect-telescope-pdf.html', 'type': 'item', 'isSingleItem': true, 'isMultipleItems': false, 'isError': false, 'isPage': false, 'isPost': true, 'isHomepage': false, 'isArchive': false, 'isLabelSearch': false, 'postId': 6294969692950403292}}, {'name': 'widgets', 'data': [{'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'type': 'PageList', 'sectionId': 'pages', 'id': 'PageList1'}, {'title': '\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0627\u0644\u0625\u062c\u062a\u0645\u0627\u0639\u064a', 'type': 'LinkList', 'sectionId': 'top-social-L', 'id': 'LinkList3'}, {'title': '\u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621.\u0643\u0648\u0645 (\u0631\u0623\u0633 \u0627\u0644\u0635\u0641\u062d\u0629)', 'type': 'Header', 'sectionId': 'logo', 'id': 'Header1'}, {'title': '\u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629', 'type': 'LinkList', 'sectionId': 'menu', 'id': 'LinkList22'}, {'title': '\u0627\u0639\u0644\u0627\u0646 \u0627\u0633\u0641\u0644 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0644\u0644\u062d\u0627\u0633\u0648\u0628', 'type': 'HTML', 'sectionId': 'Topa3lan-sc', 'id': 'HTML100'}, {'title': '\u0627\u0639\u0644\u0627\u0646 \u0627\u0633\u0641\u0644 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0644\u0644\u0647\u0627\u062a\u0641', 'type': 'HTML', 'sectionId': 'Topa3lan-sc2', 'id': 'HTML101'}, {'title': '\u0623\u062e\u0628\u0627\u0631 \u0627\u0644\u0627\u062e\u0628\u0627\u0631 [LastPost]', 'type': 'Label', 'sectionId': 'shreeta5bar', 'id': 'Label200'}, {'title': '', 'type': 'HTML', 'sectionId': 'Postcs4', 'id': 'HTML4'}, {'title': '\u0631\u0633\u0627\u0626\u0644 \u0627\u0644\u0645\u062f\u0648\u0646\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629', 'type': 'Blog', 'sectionId': 'Tempnec', 'id': 'Blog1', 'posts': [{'id': '6294969692950403292', 'title': ' Building The perfect Telescope .PDF \u062a\u062d\u0645\u064a\u0644 ', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYssp8W815VMHQ35YU_FUCLGRqAm3A13VXk1qXOv11xgigCx_lRaT6VSJ-iWw4mVD1aN3FpQe0yZMVNVgsvb2JxTBs7e4YHeTQZaX6fjHY7MG0dYOwfznZk21xJO_LoVZ9N6VxX0Q79lw/s640/Screenshot+%2528157%2529.png', 'showInlineAds': false}], 'footerBylines': [{'regionName': 'footer1', 'items': [{'name': 'timestamp', 'label': '\u0622\u062e\u0631 \u062a\u062d\u062f\u064a\u062b:'}, {'name': 'author', 'label': '\u0643\u062a\u0628:'}, {'name': 'comments', 'label': 'comments'}, {'name': 'backlinks', 'label': 'Links to this post'}]}, {'regionName': 'footer2', 'items': [{'name': 'share', 'label': ''}]}, {'regionName': 'footer3', 'items': [{'name': 'labels', 'label': '\u0627\u0644\u0642\u0633\u0645:'}, {'name': 'reactions', 'label': '\u062a\u0642\u064a\u0645 \u0627\u0644\u0645\u062d\u062a\u0648\u064a:'}]}], 'allBylineItems': [{'name': 'timestamp', 'label': '\u0622\u062e\u0631 \u062a\u062d\u062f\u064a\u062b:'}, {'name': 'author', 'label': '\u0643\u062a\u0628:'}, {'name': 'comments', 'label': 'comments'}, {'name': 'backlinks', 'label': 'Links to this post'}, {'name': 'share', 'label': ''}, {'name': 'labels', 'label': '\u0627\u0644\u0642\u0633\u0645:'}, {'name': 'reactions', 'label': '\u062a\u0642\u064a\u0645 \u0627\u0644\u0645\u062d\u062a\u0648\u064a:'}]}, {'title': '\u0623\u0639\u0644\u0627\u0646 \u0627\u0648\u0644 \u0627\u0644\u0645\u0648\u0636\u0648\u0639', 'type': 'HTML', 'sectionId': 'PostAds', 'id': 'HTML201'}, {'title': '\u0623\u0639\u0644\u0627\u0646 \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0645\u0648\u0636\u0648\u0639', 'type': 'HTML', 'sectionId': 'PostAds', 'id': 'HTML202'}, {'title': '\u0623\u0639\u0644\u0627\u0646 \u0623\u062e\u0631 \u0627\u0644\u0645\u0648\u0636\u0648\u0639', 'type': 'HTML', 'sectionId': 'PostAds', 'id': 'HTML203'}, {'title': '\u0627\u0639\u0644\u0627\u0646 \u0628\u0639\u062f \u062b\u0627\u0646\u064a \u0641\u0642\u0631\u0629', 'type': 'HTML', 'sectionId': 'PostAds', 'id': 'HTML206'}, {'title': '\u0627\u0639\u0644\u0627\u0646 \u0628\u0639\u062f \u062b\u0627\u0644\u062b \u0639\u0646\u0648\u0627\u0646', 'type': 'HTML', 'sectionId': 'PostAds', 'id': 'HTML211'}, {'title': '\u0645\u064a\u0632\u0629 \u0642\u062f \u064a\u0639\u062c\u0628\u0643 \u0627\u064a\u0636\u0627 [bot]', 'type': 'HTML', 'sectionId': 'AddOns', 'id': 'HTML2'}, {'title': '\u0645\u0648\u0627\u0642\u0639 \u0635\u062f\u064a\u0642\u0629', 'type': 'HTML', 'sectionId': 'sidepar', 'id': 'HTML5'}, {'title': '\u0645\u0643\u062a\u0628\u0629 \u0627\u0644\u0631\u064a\u0627\u0636\u064a\u0627\u062a', 'type': 'Label', 'sectionId': 'sidepar', 'id': 'Label4'}, {'title': '', 'type': 'HTML', 'sectionId': 'sidepar', 'id': 'HTML3'}, {'title': '', 'type': 'HTML', 'sectionId': 'BotPostsc', 'id': 'HTML10'}, {'title': '\u0635\u0641\u062d\u0627\u062a \u0645\u0641\u064a\u062f\u0629', 'type': 'LinkList', 'sectionId': 'footer-col1', 'id': 'LinkList1'}, {'title': '\u0645\u0646\u0648\u0639\u0627\u062a', 'type': 'LinkList', 'sectionId': 'footer-col2', 'id': 'LinkList5'}, {'title': '\u0631\u0648\u0627\u0628\u0637 \u0645\u0645\u064a\u0632\u0629', 'type': 'LinkList', 'sectionId': 'footer-col3', 'id': 'LinkList6'}, {'title': '\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0627\u0644\u0625\u062c\u062a\u0645\u0627\u0639\u064a', 'type': 'LinkList', 'sectionId': 'footer-social', 'id': 'LinkList2'}]}]); _WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList1', 'pages', document.getElementById('PageList1'), {'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'links': [{'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/', 'title': '\u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629'}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/p/contact-us.html', 'id': '9207558093973774152', 'title': '\u0627\u062a\u0635\u0644 \u0628\u0646\u0627'}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/p/archivepage.html', 'id': '1397764095936674287', 'title': '\u0627\u0644\u0627\u0631\u0634\u064a\u0641'}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/p/privacy-policy-page.html', 'id': '8489792593126216397', 'title': '\u0633\u064a\u0627\u0633\u0629 \u0627\u0644\u062e\u0635\u0648\u0635\u064a\u0629 '}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/p/pdf-pdf.html', 'title': '500 \u0643\u062a\u0627\u0628 \u0641\u064a\u0632\u064a\u0627\u0621'}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/2020/02/How-to-learn-physics-complete-guide.html', 'title': '\u062f\u0644\u064a\u0644 \u062a\u0639\u0644\u0645 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621'}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/search/label/%D9%83%D8%AA%D8%A8%20%D8%A7%D9%84%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A7%D8%AA', 'title': '\u0645\u0643\u062a\u0628\u0629 \u0627\u0644\u0631\u064a\u0627\u0636\u064a\u0627\u062a '}, {'isCurrentPage': false, 'href': 'https://www.physics-pdf.com/search/label/%D9%85%D9%86%D8%AD%20%D8%AF%D8%B1%D8%A7%D8%B3%D9%8A%D8%A9%20%D9%85%D8%AC%D8%A7%D9%86%D9%8A%D8%A9', 'title': '\u0645\u0646\u062d \u062f\u0631\u0627\u0633\u064a\u0629'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': false}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList3', 'top-social-L', document.getElementById('LinkList3'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'logo', document.getElementById('Header1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList22', 'menu', document.getElementById('LinkList22'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML100', 'Topa3lan-sc', document.getElementById('HTML100'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML101', 'Topa3lan-sc2', document.getElementById('HTML101'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label200', 'shreeta5bar', document.getElementById('Label200'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML4', 'Postcs4', document.getElementById('HTML4'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'Tempnec', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/1563035784-lbx__ar.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/13464135-lightbox_bundle_rtl.css'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML201', 'PostAds', document.getElementById('HTML201'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML202', 'PostAds', document.getElementById('HTML202'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML203', 'PostAds', document.getElementById('HTML203'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML206', 'PostAds', document.getElementById('HTML206'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML211', 'PostAds', document.getElementById('HTML211'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML2', 'AddOns', document.getElementById('HTML2'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML5', 'sidepar', document.getElementById('HTML5'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label4', 'sidepar', document.getElementById('Label4'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML3', 'sidepar', document.getElementById('HTML3'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML10', 'BotPostsc', document.getElementById('HTML10'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList1', 'footer-col1', document.getElementById('LinkList1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList5', 'footer-col2', document.getElementById('LinkList5'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList6', 'footer-col3', document.getElementById('LinkList6'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList2', 'footer-social', document.getElementById('LinkList2'), {}, 'displayModeFull'));

الفيزياء.كوم

القائمة الرئيسية

الصفحات

أخبار الاخبار [LastPost]

Building The perfect Telescope .PDF تحميل

يمكنك ايضاً الحصول علي :

أخر المواضيع من قسم : كتب عن التلسكوبات الفلكية

تعليقات

إرسال تعليق