INSPECTION OF VESSELS 113 



and the minimum tensile strength in pounds per square inch, and 

 the Coast Guard officials shall keep a record in their office of the 

 stamps upon all plates, material, and boilers which they inspect. 



Counterfeiting stamps 



46 U.S.C. 410 (R.S. 4432) 



Any person, firm, or corporation who counterfeits, or causes to be 

 counterfeited, any of the marks or stamps prescribed for iron or 

 steel plates or other material tested and inspected under this Act, 

 or who designedly stamps, or causes to be stamped falsely, any such 

 plates or material; and every person who stamps or marks, or causes 

 to be stamped or marked, any such plates or material with the name 

 or trade-mark of another, with the intent to mislead or deceive, shall 

 be fined $2,000, and may in addition thereto, at the discretion of the 

 court, be imprisoned not exceeding two years. 



Obstructing safety valves 



46 U.S.C. 413 (R.S. 4437) 



Every person who intentionally loads or obstructs, or causes to be 

 loaded or obstructed, in any way or manner, the safety valve of a 

 boiler, or who employs any other means or device whereby the boiler 

 may be subjected to a greater pressure than the amount allowed by 

 the certificate of the Coast Guard, or who intentionally deranges or 

 hinders the operation of any machinery or device employed to de- 

 note the state of the water or steam in any boiler, or to give warning 

 of approaching danger, or who intentionally permits the water to 

 fall below the prescribed low-water line of the boiler, and every 

 person concerned therein, directly or indirectly, shall be ^ilty of a 

 misdemeanor, and sliall be fined $200, and may also be imprisoned 

 not exceeding five years. 



Control of safety valves and steam gauges 



46 U.S.C. 393 (R.S. 4419) 



One of the safety valves may, if in the opinion of the Coast Guard 

 it is necessary to do so, and the steam gauges shall, be taken wholly 

 from the control of all persons engaged in navigating such vessel 

 and secured by the Coast Guard. 



763-778 O— 65- 



