CAPITAL-GOODS AS A FACTOR IN PRODUCTION 297 



d] The minimum percentage of nitrogen in available form; 



e) The minimum percentage of potash, K 2 O, soluble in distilled 

 water; 



/) The minimum percentage of available phosphoric acid, P 2 O S , 

 and also of total phosphoric acid; 



g) And no other statements of chemical compounds except as 

 above. .... 



SEC. 2. Before any commercial fertilizer is sold or offered for 

 sale, the manufacturer, importer, or party who causes it to be sold 

 or offered for sale within this state, shall file with the secretary of the 

 State Board of Agriculture a certified copy of the analysis and cer- 

 tificate referred to in section one, and shall also deposit with said 

 secretary a sealed glass jar containing not less than two pounds of 

 such fertilizer, with an affidavit that it is a fair sample of the article 

 thus to be sold or offered for sale 



SEC. 7. The State Board of Agriculture by any duly authorized 

 agent is hereby authorized to select from any package of commercial 

 fertilizer exposed for sale in this state a quantity not exceeding two 

 pounds, for a sample, such sample to be used for the purpose of an 

 official analysis and for comparison with the certificate filed with the 

 secretary of the State Board of Agriculture and with the certificate 

 affixed to the package on sale. 



The People of the State of Michigan enact: 



SECTION i. The Washburn and Moen gauge is hereby declared 

 to be the standard gauge for testing galvanized wire fence within this 

 state. 



SEC. 2. The following test as to quality of galvanizing is hereby 

 declared to be the standard test of the galvanizing of such fence within 

 this state. The wire shall be thoroughly cleansed with a solution of 

 soap, using a soft cloth or cotton waste. It shall then be immersed in a 

 solution of copper sulphate neutralized with copper oxide and filtered^ 

 of a density of i . 186 at sixty-five degrees Fahrenheit. It shall be 

 kept in this solution at a temperature of from sixty to seventy degrees 

 Fahrenheit for one minute, then immersed in clear water and after- 

 ward wiped dry. After such immersion and drying, if the wire does 

 not show a deposit of copper indicating that some portion of the zinc 

 coating is entirely removed, it shall be considered as "one minute 

 wire" as hereinafter mentioned. This test shall be immediately 



