_a._ Each pump must be fitted with a set of brass priming pipes and
valves, according to either one or the other of the following methods:
_b._ For 1,000 and 1,500 gallon pumps, the priming pipes must be 1-1/4
inches. For the 500 and 750 gallon pumps, the pipes must be 1 inch.
Pump-makers are to furnish these pipes and the fittings called for
below, and are to connect them up providing a 2-inch outlet, looking
upwards, ready for the supply from the priming tank.
The pipe from the priming tank to this outlet should be at least
2-inch, and may be of iron, and is to be furnished by the purchaser.
All parts furnished by the pump-maker are to be of brass, and are to
be included in the price of the pump.