Each record includes a transcript. The information contained in the records varies however you may be able to find out a combination of the following:
Book or box
Folio or page
The Northamptonshire and Rutland Probate Index has been created from several of the earlier indexes of probate records held in the Northampton Record Office. The index contains about 87,000 entries that cover the period 1462 to 1857.
Begin your search broadly with just a first and last name.
You can narrow your results if needed by adding a year or place.