This is a sketch of an ivory artifact. Why would it be considered a secondary source? It is drawn to scale, and the patterning is accurate.
It appears in the diary of a scientist who observed its discovery.
It was sketched at the site on which it was found.
It is a drawing of a primary source.

it's a secondary source

Explanation:

since it was drawn by someone looking at it and it wasn't seen by the person looking at the photograph i think

answer: alexander hamilton

explanation: alexander hamilton was george washington's right hand man. he took an early role in the militia as the american revolutionary war began. in 1777, he became a senior aide to general washington in running the new continental army.