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85 86 87 88 89<meta name="Microsoft Theme" content="expeditn 0101"><meta name="Microsoft Border" content="tl, default"> 90<style type="text/css"> 91.style2 { 92 text-align: left; 93} 94.style3 { 95 color: #0000FF; 96} 97.style5 { 98 margin-right: 28px; 99} 100.style6 { 101 border-style: solid; 102 border-width: 3px; 103} 104.style7 { 105 color: #000000; 106 text-decoration: underline; 107} 108.style1 { 109 color: #0000FF; 110} 111.style8 { 112 border-style: solid; 113 border-width: 2px; 114} 115.style9 { 116 color: #000000; 117} 118.style10 { 119 color: #008000; 120 text-decoration: underline; 121} 122</style> 123</head> 124 125<body onLoad="runSlideShow()" background="_themes/expeditn/exptextb.jpg" bgcolor="#FFFFCC" text="#000000" link="#993300" vlink="#CC3300" alink="#FF6633"><!--msnavigation--><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td><!--mstheme--><font face="book antiqua, times new roman, times"><!--mstheme--></font></td></tr><!--msnavigation--></table><!--msnavigation--><table dir="ltr" border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td valign="top" width="1%"><!--mstheme--><font face="book antiqua, times new roman, times"> 126<p> </p> 127 128<!--mstheme--></font></td><td valign="top" width="24"></td><!--msnavigation--><td valign="top"><!--mstheme--><font face="book antiqua, times new roman, times"> 129 130<p><!-- STEP TWO: Insert the onLoad event handler into your BODY tag --> </p> 131 132<!--mstheme--></font><table border="0" cellpadding="0" cellspacing="0"> 133 <tr> 134 <td><!--mstheme--><font face="book antiqua, times new roman, times"><a href="?http://www.my-time-machines.net" onmouseover="setOverImg('1','');overSub=true;showSubMenu('submenu1','button1');" onmouseout="setOutImg('1','');overSub=false;setTimeout('hideSubMenu(\'submenu1\')',delay);" target><img src="buttons/button1up.png" border="0" id="button1" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/my_tower_clock_collection1.htm" onmouseover="setOverImg('2','');overSub=true;showSubMenu('submenu2','button2');" onmouseout="setOutImg('2','');overSub=false;setTimeout('hideSubMenu(\'submenu2\')',delay);" target><img src="buttons/button2up.png" border="0" id="button2" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/my_skeleton_clock_collection1.htm" onmouseover="setOverImg('3','');overSub=true;showSubMenu('submenu3','button3');" onmouseout="setOutImg('3','');overSub=false;setTimeout('hideSubMenu(\'submenu3\')',delay);" target><img src="buttons/button3up.png" border="0" id="button3" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/my_time_lock_collection.htm" onmouseover="setOverImg('4','');overSub=true;showSubMenu('submenu4','button4');" onmouseout="setOutImg('4','');overSub=false;setTimeout('hideSubMenu(\'submenu4\')',delay);" target><img src="buttons/button4up.png" border="0" id="button4" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/master_clocks.htm" onmouseover="setOverImg('5','');overSub=true;showSubMenu('submenu5','button5');" onmouseout="setOutImg('5','');overSub=false;setTimeout('hideSubMenu(\'submenu5\')',delay);" target><img src="buttons/button5up.png" border="0" id="button5" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/tower_clock_restorations.htm" onmouseover="setOverImg('6','');overSub=true;showSubMenu('submenu6','button6');" onmouseout="setOutImg('6','');overSub=false;setTimeout('hideSubMenu(\'submenu6\')',delay);" target><img src="buttons/button6up.png" border="0" id="button6" vspace="1" hspace="1" width="124" height="25"></a><a href="http://www.my-time-machines.net/my_current_project3.htm" onmouseover="setOverImg('7','');overSub=true;showSubMenu('submenu7','button7');" onmouseout="setOutImg('7','');overSub=false;setTimeout('hideSubMenu(\'submenu7\')',delay);" target><img src="buttons/button7up.png" border="0" id="button7" vspace="1" hspace="1" width="137" height="25"></a><a href="http://www.my-time-machines.net/links_page.htm" onmouseover="setOverImg('8','');overSub=true;showSubMenu('submenu8','button8');" onmouseout="setOutImg('8','');overSub=false;setTimeout('hideSubMenu(\'submenu8\')',delay);" target>
134<img src="buttons/button8up.png" border="0" id="button8" vspace="1" hspace="1" width="124" height="25"></a><!-- STEP THREE: Copy this code into the BODY of your HTML document --><!--mstheme--></font></td> 135 </tr> 136</table><!--mstheme--><font face="book antiqua, times new roman, times"> 137 138<p><!-- Script Size: 2.13 KB --> </p> 139 140<p align="center"><big><big><strong> MAGNIFICENT TIME MACHINES</strong></big></big></p> 141<div align="center"> 142 143<!--mstheme--></font><table border="0" cellpadding="0" cellspacing="0" height="1887" class="style5" style="width: 97%"> 144 <tr> 145 <td width="36%" height="202"><!--mstheme--><font face="book antiqua, times new roman, times"> 146 <p> <a href="my_tower_clock_collection1.htm"><img src="DSC05676.JPG" alt="DSC05676.JPG (885827 bytes)" WIDTH="381" HEIGHT="286" class="style6"></a> <p class="style2"> 147 <strong> Tower Clocks</strong><p class="style2"> 148 <!--mstheme--></font></td> 149 <td width="64%" valign="top" height="1887" rowspan="5"><!--mstheme--><font face="book antiqua, times new roman, times">Welcome to my website whose purpose 150 is to share my enthusiasm for preservation, restoration and collecting of specialized 151 timepieces as well as dissemination of information about them.<p><big><strong>To use this site just click on the buttons at the top of the page 152 to get the drop down menus to go to each horological sub-category or 153 click on the pictures. </strong></big></p> 154 <p><big><strong><span class="style10">I have some clock & tower clock items for sale.</span><span class="style7"> 155 <a href="Clocks_for_sale.htm"><span class="style3">See them here</span></a>.</span><span class="style9"> </span> 156 <span class="style12"> Contact: <a href="mailto:[email protected]">[email protected]</a></span><span class="style9"> </span></strong></big></p> 157 <p><big><strong><span class="style10">I have some time lock items for sale.</span><span class="style7"> 158 <a href="time_locks_for_trade.htm"><span class="style3">See them here</span></a>.</span><span class="style9"> </span> 159 <span class="style12"> Contact: <a href="mailto:[email protected]">[email protected]</a> </span></strong></big></p> 160 <p>This website is divided into the three areas of horology that interest me. They are <a href="my_tower_clock_collection1.htm"><strong> 161 <span class="style3">tower clocks</span></strong></a> (also known as 162 turret clocks in the UK), <a href="my_skeleton_clock_collection1.htm"><strong> 163 <span class="style3">skeleton 164 clocks</span></strong></a> and <a href="my_time_lock_collection.htm"><strong> 165 <span class="style3">bank vault time 166 locks</span></strong></a>. The common theme is the fact that one can see the mechanism. When 167 these clocks are running, they become beautiful kinetic pieces of art. This is especially 168 true at the scale demonstrated by the tower clocks. Also there is a section 169 for <a href="other_horological_examples.htm"><span class="style3"><strong> 170 antique calculators</strong></span></a>, these have mechanical complexity 171 and historic background I find interesting.</p> 172 <p>Another aspect of the collection is that it <font face="book antiqua, times new roman, times">encompasses the full range of time movement 173 sizes that a person might encounter in the world of horology. From a few ounces and a 174 couple of 175 inches or so across - the size of a pocket watch, to over a one-half ton, 6 foot wide tower clock.</font> 176 The oldest clock is from the late 1400's and the newest was completed in
177 2022. </p> 178 <p>I also enjoy the restoration of time pieces, in particular, tower clocks. There is 179 something very satisfying in bringing an ugly, rusted piece of machinery back to life as a 180 beautiful kinetic sculpture. The <strong><a href="tower_clock_restorations.htm"> 181 <span class="style3">Restorations 182 button</span></a> </strong>goes through a typical restoration process for tower, skeleton and 183 time locks. One will get a sense of how labor intensive (labor of love?) this process can 184 be.</p> 185 <p>I've written papers on tower clocks, the Westminster clock. A discussion on 186 remontoire along with visual aids can all be accessed through the <strong>Other Items </strong>button.</p> 187 <p><strong>Below</strong> is a commission, to my design, to have a large, 188 complex astronomical clock built. It was begun 189 in January 2006 and finished in 2022. It can be seen under the <a href="my_current_project3.htm"><strong> 190 <span class="style3">Astro skeleton 191 button</span></strong></a>, above. Four articles have been published since 192 its design beginnings in<a href="Astro_presentation_paper_final_web.pdf"><span class="style1"> 193 2006</span></a>, construction<a href="Astro_halfway_point_article_final_web.pdf"><span class="style1"> 194 2007-2010</span></a>, then 195 <a href="Astro-skeleton_6.5_Years_Of_Construction_on_line_paper_final.pdf"> 196 <span class="style1">2011-2016</span></a> and 197 <a href="An%20Astronomical%20Skeleton%20Clock,%20Where%20we%20stand%20after%20ten%20years%20of%20construction,%20on%20line,%20final.pdf"> 198 <span class="style3">2017-2020</span></a>. <a href="astro_index.htm"><strong><span class="style3">Watch the construction</span></strong></a> 199 as it progressed. A library of videos in connection with this project can be 200 viewed on my <strong>YouTube channel</strong>: 201 <span style="background-position: 0% 0%; line-height: 107%; color: #212121; background-image: none; background-repeat: repeat; background-attachment: scroll;"> 202 <a href="https://www.youtube.com/c/MarkFrankclocks"><span class="style3"> 203 https://www.youtube.com/c/MarkFrankclocks</span></a></span><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif"><o:p> 204 .</o:p></span></p> 205 <p> 206 <a href="my_current_project3.htm"> 207 <img src="DSC00254-ax.jpg" alt="DSC00254-ax.jpg (353557 bytes)" WIDTH="315" HEIGHT="577" class="style6"></a> 208 <img src="Astro_index%20page-10-21.JPG" width="374" height="583"></p> 209 <p><strong>Left, original mockup in wood, July 2006. Next left hand 210 elevation of clock in October 2021.</strong></p> 211 <p> 212 <img src="Astro_front_index_page.JPG" width="442" height="442" class="style8"> <img src="Astro_rear_index_page.JPG" width="442" height="442" class="style8"> </p> 213 <p> 214 <strong>Front and rear elevation of the clock complete after final finishing work 215 as of October 2021. </strong> </p> 216 <p><iframe style="border:blue solid" width="900" height="506" src="https://www.youtube.com/embed/iALgZf3RB7s" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </p> 217 <p>A video showing the completed machine. Here one can see that Buchanan has 218 been able "to animate brass and to give spirit to metal", an accolade first 219 given to Blaise Pascal in 1642 for the invention of one of the earliest 220 calculating machines and the first in metal.</p> 221 <p><a href="mailto:[email protected]"><font color="#0000FF"><strong>Interested in selling or 222 a trade? Please contact me.</strong></font></a></p> 223 <p>The site is <strong><em>graphics intensive</em></strong> and is best 224 enjoyed with a high speed internet connection. Video clips will play 225 automatically as an extension of films from my YouTube library. Any questions, comments, suggestions email me: <a href="mailto:[email protected]"><strong><span class="style3">[email protected]</span></strong></a>. </p> 226 <p>Member of: National Association of Watch and Clock Collectors (NAWCC), NAWCC 227 Chicago Chapter #3, NAWCC Tower Clock Chapter #134, British Horological Institute (BHI), 228 Antiquarian Horological Society (AHS). Scientific Instruments Society. For more information about these organizations and 229 other sites of interest click LINKS page.</p> 230 <p>This site and all its content, are copyright © 2025 by Mark Frank. All 231 rights reserved. No part of this content may be transmitted in any form or 232 by any means existing or yet to be invented.<!--mstheme--></font></td> 233 </tr> 234 <tr> 235 236<td width="323" height="1.33"><!--mstheme--><font face="book antiqua, times new roman, times"><p><a href="my_skeleton_clock_collection1.htm"> 237<div id="slideshow" style="left: 40px; top: 0px; width: 323px; height: 444px"> 238 <img src="Slideshow Pouvillon.jpg" alt="Slide 1" width="333" height="248" style="left: 1; top: 5" class="style11" /> 239 <img src="Slideshow Dent exhibition.jpg" alt="Slide 2" style="display:none;" /> 240 <img src="Slideshow Berthoud 1.jpg" alt="Slide 3" style="display:none;" /> 241 <img src="Slideshow Atlas Orrery.jpg" alt="Slide 4" style="display:none;" /> 242 <img src="Slideshow Orrery French table clock.jpg" alt="Slide 5" style="display:none;" /> 243 <img src="Slideshow Sarton Campagnie.jpg" alt="Slide 6" style="display:none;" /> 244 <img src="Slideshow Smith musical 3 train.jpg" alt="Slide 7" style="display:none;" /> 245 <img src="Slideshow Smiths 3 train.jpg" alt="Slide 8" style="display:none;" /> 246 <img src="Slideshow Thouverez.jpg" alt="Slide 9" style="display:none;" /> 247 <img src="Slideshow Vouches.jpg" alt="Slide 10" style="display:none;" /> 248 <img src="Slideshow Lepaute2.jpg" alt="Slide 11" style="display:none;" /> 249 <img src="Slideshow Bennett.jpg" alt="Slide 12" style="display:none;" /> 250 <img src="Slideshow Bosse.jpg" alt="Slide 13" style="display:none;" /> 251 <img src="Slideshow French miniature 3-train, remontoire.jpg" alt="Slide 14" style="display:none;" /> 252 <img src="Slideshow Watson.jpg" alt="Slide 15" style="display:none;" /> 253 <img src="Slideshow Wagner_master.jpg" alt="Slide 16" style="display:none;" /> 254 <img src="Slideshow Jamison.jpg" alt="Slide 17" style="display:none;" /> 255 <img src="Slideshow James_Arthur.jpg" alt="Slide 18" style="display:none;" /> 256 <img src="Slideshow Fasoldt model.jpg" alt="Slide 19" style="display:none;" /> 257 <img src="Slideshow Dent ragulator.jpg" alt="Slide 20" style="display:none;" /> 258 <img src="Slideshow Condliff first series.jpg" alt="Slide 21" style="display:none;" /> 259 <img src="Slide show Lepaute3.jpg" alt="Slide 22" style="display:none;" /> 260 <img src="Slideshow Roskell.jpg" alt="Slide 23" style="display:none;" /> 261 <img src="Slideshow Brass exhibition clock.jpg" alt="Slide 24" style="display:none;" /> 262 <img src="Slideshow Dent_Concorde.jpg" alt="Slide 25" style="display:none;" /> 263 <img src="Slideshow Condliff second series.jpg" alt="Slide 26" style="display:none;" /> 264 <img src="Slideshow Gropengeisser.jpg" alt="Slide 26" style="display:none;" /> 265 <img src="Slideshow Clock_work_orrery.jpg" alt="Slide 26" style="display:none;" /> 266 267 268
268<script type="text/javascript"> 269 let currentSlide = 0; 270 const slides = document.querySelectorAll("#slideshow img"); 271 272 function showNextSlide() { 273 slides[currentSlide].style.display = "none"; 274 currentSlide = (currentSlide + 1) % slides.length; 275 slides[currentSlide].style.display = "block"; 276 } 277 278 setInterval(showNextSlide, 4500); // Change slide every 4.5 seconds 279</script>
279 280<style> 281 #slideshow { 282 position: relative; 283 width: 323px; /* Adjust width */ 284 height: 430px; /* Adjust height */ 285 overflow: hidden; 286 } 287 288 #slideshow img { 289 position: absolute; 290 top: 0; 291 left: 0; 292 width: 100%; 293 height: auto; 294 } 295.style11 { 296 border-width: 4px; 297} 298.style12 { 299 color: #FF0000; 300} 301</style> 302</div> 303 <p></a> 304 <strong>Skeleton Clocks</strong><!--mstheme--></font></td> 305 </tr> 306 <tr> 307 <td width="36%" height="202"><!--mstheme--><font face="book antiqua, times new roman, times"> 308 <p align="left"> </p> 309 <p align="left"> <a href="my_time_lock_collection.htm"><img src="1.jpg" name="SlideShow" width="333" height="277" class="style6"></a></p> 310 <p class="style2"> 311 <strong> Bank Vault Time 312 Locks</strong></p> 313 <p align="left"> 314 <a href="other_horological_examples.htm"> 315 <img src="Schuster%20axa.JPG" width="323" height="282" class="style6"></a> <p align="left"> 316 <strong> 317 Calculators </strong><!--mstheme--></font></td> 318 </tr> 319 <tr> 320 <td width="323" height="430"><!--mstheme--><font face="book antiqua, times new roman, times"><p><a href="master_clocks.htm"> 321 <img src="DSC02150.JPG" alt="DSC02150.JPG (557559 bytes)" WIDTH="188" HEIGHT="249" class="style6"></a> <a href="papers_and_presentations.htm"><img src="Astro_NAWCC_4th_artical_cover%202.jpg" width="192" height="249" class="style6"></a></p> 322 <p><strong>Other Items-master clocks, writings and research</strong></p> 323 <p>Read papers on the <a href="speech_final_web.pdf"><span class="style3">history of tower clocks</span></a>. The 324 <a href="Big_Ben_paper_web_05-15-14.pdf"><span class="style3">accident in 325 1976 to the clock at Westminster</span></a> (Big 326 Ben). The <a href="remontoire.htm"><span class="style3">theory and applications of remontoire</span></a>. 327 <a href="papers_and_presentations.htm"><span class="style3">Complete article 328 set of the Astro-skeleton clock and more.</span></a></p> 329 <!--mstheme--></font></td> 330 </tr> 331 <tr> 332 <td width="36%" height="155"><!--mstheme--><font face="book antiqua, times new roman, times"><p align="left"><strong> 333 </strong></p> 334 <p align="left"> 335 <a href="tower_clock_restorations.htm"> 336 <img src="DSC08806.JPG" alt="DSC08806.JPG (822780 bytes)" WIDTH="280" HEIGHT="374" class="style6"></a><p class="style2"> 337 <strong> 338 Restoration Projects</strong><!--mstheme--></font></td> 339 </tr> 340</table><!--mstheme--><font face="book antiqua, times new roman, times"> 341 <div class="style2"> 342<br></div> 343 <center> 344 345<div align='center'><br / ></div><div align='center'>
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