Joly, J. (1887). On a hydrostatic balance. With 1 plate.
Lua i Stíl Chicago (17ú heag.)Joly, J. On a Hydrostatic Balance. With 1 Plate. 1887.
Lua MLA (9ú heag.)Joly, J. On a Hydrostatic Balance. With 1 Plate. 1887.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
