"
* * * * *
The following is a translation of the corresponding rules issued by the
German Acetylene Association (_Der Deutsche Acetylenverein_) in
regard to business dealings in calcium carbide, as put into force on
April 1, 1909:
"REGULATIONS OF THE GERMAN ACETYLENE ASSOCIATION FOR TRADE IN CARBIDE.
"_Price_.
"The price is to be fixed per 100 kilogrammes (= 220 lb.) net weight of
carbide in packages containing about 100 kilogrammes.
"By packages containing about 100 kilogrammes are meant packages
containing within 10 per cent. above or below that weight.
"The carbide shall be packed in gas- and water-tight vessels of sheet-
iron of the strength indicated in the prescriptions of the carrying
companies.
"The prices for other descriptions of packing must be specially stated.
"_Place of Delivery_.
"For consignment for export, the last European shipping port shall be
taken as the place of delivery.
"_Quality_.
"Commercial carbide shall be of such quality that in the usual lumps of
15 to 80 mm. (about 3/5 to 3 inches) diameter it shall afford a yield of
at least 300 litres at 15 deg. C. and 760 mm. pressure of crude acetylene
per kilogramme for each consignment (= 4.
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