How Do I Find My Organ's Serial Number?
Of the 653 pump organs companies that were in business in this country,
most of them (though not all) placed their organs' serial numbers in one of two areas, and both of them are
found on the organ's back frame work, or paneling.
These serial numbers were generally stenciled on with paint, but some were stamped into the wood. Other
companies would place an official looking company label on top of the organ's sound board (Estey almost always
did), which is easily seen once you remove the back panel (of course, you might have to remove an inch of dust to
You should be looking for a five or six digit number. Four digit numbers
(or less) were almost always construction numbers, which were used by factory workers to determine which parts
went with which model organ.