Gas Furnace Replacement and Installation Cost Guide. There are many things that contribute to the replacement cost of a gas furnace system. Along with the brand, size, accessories, and the ratings, the biggest and most influential furnace replacement cost variable, is usually the installation factor.
Report Abuse. There is one candle that is the 'helper' cadle, used for lighting the candles each night. There are 8 days. On the first night the helper is lit plus one, on the 2nd the helper plus 2 to represent the 2nd night and so on. On the last day, the helper is lit, which is used to light the rest of the 8 candles to represent the 8th day.
You Jiangu's candle clock consisted of six candles made from 72 pennyweights of wax, each being 12 inches high, of uniform thickness, and divided into 12 sections each of one inch. Each candle burned away completely in four hours, making each marking 20 minutes. The candles were placed for protection inside cases made of a wooden frame with transparent horn panels in the sides.