Gian Francesco Costa, a Venetian engineer, architect, and engraver, gave some attention to the construction of globes.[166] In the year 1754 he prepared and issued, for the Venetian Academy, a terrestrial and a celestial globe, each about 24 cm. in diameter, basing the former on the work of Delisle and the latter on the observations and records of the English astronomer, John Flamsteed.[167] There is little of special value attaching to the globes of Costa. They give merely the well-known geographical and astronomical records of the day. Copies of his celestial globe may be found in the Biblioteca Municipale of Cagli and in the Osservatorio Astronomico of Rome. Fiorini refers to a copy of the terrestrial as belonging to the Biblioteca Universitorio of Urbino, and to one in the private library of Canon Ettore Fronzi of Senigallia. There is said to be a fine manuscript terrestrial globe, dated 1756, in the private library of Professor Maximilian Tono, director of the Osservatorio Patriarcale di S. Maria della Salute in Venice. The ball is of wood, over which is a coating of varnish, and on this a world map has been drawn by hand. It appears to have been constructed merely for the personal use of the maker, P. Francesco Grandi. In Andrea Akerman we find a native of Sweden interested in the matter of globe making. Observing him to be one in possession of commendable talents, the Academy of Sciences of Stockholm, about the year 1750, granted to him a subsidy for the establishment of a workshop in Upsala. Here he undertook the construction of a terrestrial and of a celestial globe. So successful was his enterprise that, we are told, his productions found favor not only among those interested in his field within his own country, but among those similarly interested in Denmark, Germany, and Russia. Lalande makes mention of his work published through the Geographical Society of Upsala, dated 1776, noting that they had a diameter of about 22 inches.[168] A copy of his celestial globe may be found in the Osservatorio Astronomico of Milan, having a diameter of about 59 cm. It has an author and date legend, reading “Globus coelestis ex Catalogo Brittanico et De la Caillii observationibus ad annum 1800 cura Soc. Cosmog. Upsal. delineatus ab Andrea Akerman Reg. S. S. Apt. sculptore 1766.”