Moving posts over from a previous installation

Hi all :wave:

I’ve just setup a new Ghost blog but would like to bring some posts/pages over from another Ghost blog I’ve got running. I somehow messed up the installation of my previous blog but I wondered if there was any way I could just pull the posts over via SFTP? I’m not sure how the files are structured but is there a folder in the SFTP client I could copy over to my new installation?