14 Dr. Wollaston on the military Effects 
obtained at a part of the town, which happened to be at some 
distance. But the second attempt proved as fruitless as the 
former, and a third was made with the same event. Since 
the throbbing had by that time considerably abated, he was 
contented to postpone any further efforts to the following day, 
and directed the carriage homewards. By the time that he 
returned to his friends, he found, that the motion of travelling 
over several miles of pavement, had apparently removed the 
complaint. The pulsation of the heart and arteries had 
subsided to their natural standard, and he congratulated him- 
self, that his search of a remedy had not been ineffectual, 
although he had been disappointed as to the source from 
which he thought he had most reason to expect relief. 
If vigour can in any instance be directly given, a man may 
certainly be said to receive it in the most direct mode, when 
the important service of impelling forward the circulation of 
his blood is performed for him by external means. The main 
spring, or first mover of the system, is thereby, as it were, 
wound up ; and although the several subordinate operations, 
of so complicated a machine, cannot be regulated in detail, 
by mere external agency, they must each be performed with 
greater freedom, in consequence of this general supply of 
power. 
In almost every treatise on the subject of chronical diseases, 
are to be found numerous instances of the benefit, produced 
by the several modes of gestation, which have been most 
generally adopted ; as riding on horseback, in carriages, sea- 
voyages, and swinging. And in many cases, which might be 
adduced, it has appeared too clear, to admit of a doubt, that 
the cure of the patient, has been owing solely to the external 
