Garden Surveying, Levelling, and Mensuration 215 



TABLE SHOWING NUMBER OF LINKS IN FROM 1 TO 100 FT. 



TABLE SHOWING THE NUMBER OF YARDS, FEET, AND INCHES IN FROM 

 1 TO 100 OF THE LINKS OF THE IMPERIAL CHAIN 



Chaining". Surveying chains are made of steel or iron wire. At every 

 10 links from each end of the chain a piece of brass known as a teller or 

 marker is attached, as shown in the figures. These markers are notched 

 to indicate the number of links in tens from each end up to the fiftieth 

 link or middle of the chain. Thus a reference to the figure shows that 

 the first marker indicates 10 links from one end or 90 links from the other; 

 a marker with two points indicates 20 links from one end and 80 links 

 from the other; three points, 30 links from one end, and 70 links from the 

 other; four points, 40 links from one and 60 links from the other; while 



