According to the index card, the naturalization for Samuel/Solomon can be found in the records of the Court of Common Pleas, New Haven, Vol 4, pg 67 (Oct 20, 1894).  The document is not indexed on FamilySearch, however, an image of the document can be found here:  https://www.familysearch.org/ark:/61903/3:1:3Q9M-C3MK-C9L3-K?i=128&cc=3238391

Regards,
David Oseas