Brief van J.J. Mauricius d.d. Hamburg 14-4-1740 aan de Staten Generaal betr. derde nalezing over IJsland en Groenland, gedrukt, folio, 1+6 pag.

Letter of patent for André Michel Massonnet from Paris for an invention regarding “certain improvements in alloys of metal and of other substances and also in the application of the same to various usefull purposes”.