They are the galvanised self-filling water troughs.

For instance, on an allotment, water can be supplied from self-filling troughs, or water butts.

Writing and drawing instruments (the self-filling pen)

The Conklin crescent filler, introduced c. 1901, was one of the first mass-produced self-filling pen designs.

Andrew once told Cammy that what Patty Ann was about was some "self-filling profit," it sounded like he said.

At the Great Exhibition 1851, Thomson demonstrated his self-filling fountain pen and an invalid chair with solid rubber tyres.

Two principal types of manual resuscitator exist; one version is self-filling with air, although additional oxygen (O) can be added but is not necessary for the device to function.

Self-Filling Injection Device: a device which allows a physician to accurately deliver a dosage of tumescent anesthesia or saline to a patient from an IV bag.

Inspired by the success of self-filling fountain pens - notably, Conklins - Sheaffer turned his attention to inventing a self-filling mechanism of his own.

The first successful self-filling pen was the Conklin: it had a rubber sac, which was squeezed by a bar attached to a crescent of metal protruding through the side of the pen.

"Water Master" features a unique self-filling vacuum system which can load 3500 gallons of water in under 3 minutes and dump in under 2 minutes without the use of a Class A pump.

There were about a dozen of the magic pens, at least three dozen of the folding, self-filling cups, a dozen roundish black objects that refused to respond to his handling, and three pairs of pince-nez glasses.

There are 15 northfacing units which are non-smoking. 3 family units with large self-filling spa pool in a private courtyard, deluxe studio units with large spa bath, small Family units and studio units.

The unique, self-filling vacuum tankers were developed by Reggie Ridgway, a volunteer Fire Chief who spent years researching and designing the Water Master tankers after his own frustrating experiences losing homes to fires in rural areas with limited water supply.

As well as publishing the first Guide to Used Vehicle Values, Glass had an innovative and enquiring mind and made a number of inventions including the portable hydraulic jack, the electric switch-off kettle, the self-filling fountain pen and the through-the-propeller machine gun firing mechanism.

Murdoch was 26 when he received his first patent for the syringe in 1956 and over the next 15 years he invented numerous variations — such as variable-dose syringes, self-filling syringes and syringe darts — which were all significantly different and all breakthroughs in pharmaceutical delivery.

In the autumn of 1905, one of the most respected British companies, Thomas De La Rue and Company Limited, printers of bank notes and stamps to the commonwealth, launched the first self-filling fountain pen guaranteed not to leak - the Onoto Patent Self-filling Pen.