Central dating

Experts can compare the ratio of carbon 12 to carbon 14 in dead material to the ratio when the organism was alive to estimate the date of its death.

Radiocarbon dating can be used on samples of bone, cloth, wood and plant fibers.

(The first 2 digits follow accordingly:(10= 1970, 11=1971, 12 = 1972, 13 = 1973 and so on…)Serger Serial Numbers are stamped on the back ofthe machine on the Id tag.

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We manufacture, on premises, the finest and most complete range of wood mouldings, pre-hung and classic doors and have affiliate companies that manufacture roof trusses, stairs and windows.

Our custom service is capable of producing trim of your own design.

The Identification of Manufacture date is as follows:50341041 1950 55 1955 56 1956 60100034 1960 64 1964 69 1969 10760013 1970 11 1971 19 1979 20103946 1980 21 1981 22 1982 30800014 1990 31 1991 39 1999 40510004 2000 42 2002 45 2005 Note: In the 1950’s and 1960’s the first 2 digits represents the Year.

Starting in 1970 thefirst 2 digits of the serial # were change to 10.