Photographs, diagram and explanatory note concerning Threlfall's quartz-thread gravity balance, designed by Threlfall and J.A. Pollock in 1889-1890

 
Component identifier:
File 328-32
Content Summary:
It was designed to study the variation of the earth's gravitational pull by statical methods.
Processing information:
M2118

Online content

Access and use

Parent Restrictions:
Available for Access.
Parent Terms of Access:
Many of the records digitised as part of the AJCP are still in copyright. Readers wishing to publish or reproduce documents should seek permission, in the first instance, from the owner of the original material.
Location of this collection:
Parkes Place
Canberra ACT 2600, Australia
Contact: