York Serial Number List A Guide to Dating York Instruments Determining the date of a York instrument made in Grand Rapids, Michigan is rather problematic because no records are available. Few of the manufacturers produced instruments during the last 2-3 years of World War II. They could not have started this run any earlier due to the name change. What could the problem be?įew of the manufacturers produced instruments during the last 2-3 years of World War II. I can not even find a Manual for my Furnance becacuse every where that I try to find information I am told that it can not be found. Instruments made after Carl Fischer took control of York are included, but obvious conflicts in numbers are confined to their own section. ※ Download: ?dl&keyword=york+serial+number+lookup&source=
