The LOUDEN MACHINERY COMPANY 



Louden Reinforced Building Columns 



The Louden Reinforced Building Columns are made of an outer shell 

 or tube of steel compactly filled with concrete. They are the strongest 

 and most durable building columns made. They are especially adapted 

 for supports in farm buildings. Each column is fitted with a suitable 

 metal Cap and Base. Gas pipe columns can be furnished, if desired, 

 at the same prices — See second table. 



Carrying Capacity in Tons — Reinforced Columns 



Carrying Capacity in Tons — Gas Pipe Columns 



In ordering be sure to give outside diameters. 



Fig. 1185 



The Measurements of Tubing 



There are two kinds of measurements used for tubing — the inside 

 diameter, or pipe measurement, and the outside diameter (O. D.), or 

 structural measurement. The following table gives the O. D. measure- 

 ment of the different sizes of pipes from ^-inch to 6-inch: 



% inch pipe 1 1's inches. O. D. 



I inch pipe \xs inches, O. D. 



1 J4 inch pipe 15^ inches, O. D. 



1 \-2 inch pipe 1 J^ inches, O. D. 



2 inch pipe 2?'g inches. O. D. 



2J^ inch pipe 2J^ inches, O. D. 



3 inch pipe 3 J^ inches, O. D. 



3}^ inch pipe 4 inches, O. D. 



4 inch pipe 4}^ inches. O. D. 



4 ]/2 inch pipe 5 inches. O. D. 



5 inch pipe b^/i inches, O. D. 



6 inch pipe 65^ inches, O. D. 



Page One hundred thirty-five 



