Being an astrological book called <i>Kalachak Chon Wiphak</i>. The preface says the book was intended to be a sequel to <i>Kalachak Lak Chon</i>, so that they form a complete astrological work on <i><a href="https://en.wikipedia.org/wiki/Kalachakra" class="extiw" title="w:Kalachakra">kālacakra</a></i> (literally, "wheel of time").
Luang Wutronnaphat (Wut Wisetchinda) <span style="font-size:90%;">(?–?)</span>
วุฒิรณพัสดุ์ (วุฒิ วิเศษจินดา), หลวง. (๒๔๙๘). <i>ตำรากาลจักรจรวิภาค</i>. พระนคร: ม.ป.พ.