Abstract: A spray gun having a main air valve to regulate the flow of pressured air to the galleries of the gun, and bleed means to bleed air from the high pressure side of the valve to the low pressure side to reduce the effort required by an operator to use the gun.

Abstract: A traveling sprinkler radio-controlled mechanism and warning device which obtains an adequate and controlled duration of watering at opposed ends of a field to be watered while concurrently insuring that over-watering will not occur whenever an unattended traveling sprinkler stops for any reason whatever. A re-settable time delay means is employed which obviates a common deficiency of under-watering at the opposed ends of the field while also preventing over-watering which heretofore occurred whenever an unscheduled stop occurred or where no shut down of the pump was provided for at the far end of the field. Radio transmitter and receiver means are used to transmit and receive a shutoff signal for a pump supplying water to the traveling sprinkler whenever the traveling sprinkler stops.