( 8/1 ) 
nis; Motus, quo Machina qusque in contradionem ^ 
gicur, racionem obciner compofitam ex racione quadro- 
piicata Diamecri homologns ipiius Machinae, & ratio ne 
inversa temporis, quo Machinae concradio perficitur; 
vel rationem comporitam ex ratione ponderisMachinae, 
racione ejufdem ponderis fubcriplicat^, & ratione tem- 
poris inversa. Thcoremata rcli^ua hue fpe^antia in Trani- 
aiSione proxime tdenda exhibebuntur* 
III. A !Brief Account of the Contagious Vifeafe which 
raged among the Milch Cowes near London, in 
the Year 1714. And of the Methods that were 
taken for fupprejftng it. Communicated to the 
Royal Society hy Thomas Bates Efq^ Sur» 
geon to His Majeflies Houjholdj and R. S. S. 
Bout the middle of July the Diftemper appeared 
at /(lington, and thereupon their Excellencies the 
Lords Juftices having notice of it, were pleafed to Com- 
mand chat I ihould examine into the truth of the Report 
of its being Contagious ; and order’d the Lord Hur court, 
then Lord High Chancellar, to grant fuch Authority as 
wou’d be proper to make the Difeovery. Accordingly 
Mr. Milner, Mr. Offley, Mr. Richardfon, and Mr. Ward, 
four Juftices of the PeSce for the County of Middlejex, 
were appointed to make the neceflary Examinations. 
Purfuant to thofe Orders we went to Iflington, where 
Mr. Ratcliff had loft no out of 200 ; Mr. Hufford Sz 
out of 72; and Mr. Pullen 38 out of 87. They were 
very unwilling to own it, becaufe lo foon as it Ihould 
be known, none wou’d buy their Milk ; but Mr Ratcliff, 
a Man of good Judgment in Cattle, after much per- 
fwafion, gave us the following account, viz. That they 
* 
firft 
