Page:Frontinus - The stratagems, and, the aqueducts of Rome (Bennet et al 1925).djvu/457

 the records of delivery most of this water is actually accounted for? For it is stated that 4,200 quinariae are delivered, although elsewhere in the same records the amount taken in is put down as only 3,263. Besides this, I have discovered that not only 538 quinariae (the difference between our gauging and the recorded delivery) are stolen, but a far greater quantity. Whence it appears that the total found by me is none too large. The explanation of this is, that the swifter current of water, coming as it does from a large and rapidly flowing river, increases the volume by its very velocity.

I do not doubt that many will be surprised that according to our gaugings, the quantity of water was found to be much greater than that given in the imperial records. The following table will show how Frontinus arrived at the figures which he gives:—

$1$ Besides   92 to Tepula. and 164 to Anio (cf. 67). $2$ Besides 190 to Tepula (cf. 68). $3$ Besides 162 to Julia (cf. 69). $4$ Besides $163⁄771$ to Tepula. $5$ Assumed from number delivered. The reason for this is to be found