Voluminous regulations are ise sued for the installing of wireless telegraphy on all. merchant ships over 500 tons, Amon them one notes the following:
"AMI coast vessels must be provided with two different sets of apparatus, one for ordinary use, the other for emergency. "The apparatus used must be able to produce a wave of from 600 to 800 metres long (2).
"While lying in harbour the vessel is not allowed to operate the machine; reply to emergency. fs, of course, an_ exception, "Tu the course of operation due care should be exercised in order to avoid disturbance to ethers."
Text read from the printed page and cleaned; old type leaves the occasional error.