Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Alan Faraday Campbell Pollard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190824862ApublicationCriticalpatent/GB190824862A/en
24,862. Pollard, A. F. C. Nov. 19. Specific-gravity estimating-apparatus.-An hydrometer comprises a body a, b provided with a part c upon which it can rest as -an instantaneons centre of rotation as shown in Fig. 1, or upon which it can be mounted so as to turn upon a fixed centre as at g in Figs. 7 and 8. The body has its centre of mass and its centre of volume non-coincident, so that the instrument rotates about c and denotes varying densities by its position in the vertical plane.
GB190824862D1908-11-191908-11-19Improvements in and relating to Hydrometers.
ExpiredGB190824862A
(en)