Calculating Astronomical Machine

1857 Scientific American  
Por ali Club. of 20 and over. the yearly .ubscription only 5NO. Poll·pay aU letto ... and direcl MUNN do; CO., 1!l8 Pulton oInll. Ne,.. York
doi:10.1038/scientificamerican01241857-160b fatcat:2mn2ygwfyne2tomz6d47xvd2ui