The Public Utilities ClipArt gallery provides 154 illustrations of public water, gas, electrical, and related systems.

A method of slotting joist for the reception of a conduit.

Slotting Joist

A method of slotting joist for the reception of a conduit.

A Hydro-electric station of the Cedar Rapids (Canada) Manufacturing and Power Company.

Station

A Hydro-electric station of the Cedar Rapids (Canada) Manufacturing and Power Company.

Losses in a non-condensing steam plant.

Steam Plant

Losses in a non-condensing steam plant.

Flexible steel armored cable.

Steel Cable

Flexible steel armored cable.

This street sprinkler provided a slot which gradually widened from one end, and featured a valve for controlling the water usage.

Four wheeled Street Sprinkler

This street sprinkler provided a slot which gradually widened from one end, and featured a valve for…

A small "standard-unit" switchboard for two compound-wound direct-current generators and seven feeders.

Switchboard

A small "standard-unit" switchboard for two compound-wound direct-current generators and seven feeders.

Front view of a switchboard panel for a single compound-wound direct-current generator.

Switchboard Panel

Front view of a switchboard panel for a single compound-wound direct-current generator.

Unit switchboard panels for 600-volt, direct-current, railway service.

Switchboard Panels

Unit switchboard panels for 600-volt, direct-current, railway service.

Water tanks are liquid storage containers, these tanks are usually storing water for human consumption. A water tank produces for the storage of drinking water, irrigation agriculture, fire suppression, agricultural farming and livestock, chemical manufacturing, food preparation as well as many other solutions.

Water Tank

Water tanks are liquid storage containers, these tanks are usually storing water for human consumption.…

Symmetrical arrangement of conductors; an example of a three-phase circuit.

Three-phase Conductors

Symmetrical arrangement of conductors; an example of a three-phase circuit.

A high-speed simple engine belted to a small, three-phase generator.

Three-phase Generator

A high-speed simple engine belted to a small, three-phase generator.

Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in a small town.

Three-phase Switchboard

Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in…

The four-wire, three-phase system.

Three-phase System

The four-wire, three-phase system.

An illustration of a water tower.

Water Tower

An illustration of a water tower.

An open, portable transformer with inserted cable.

Transformer

An open, portable transformer with inserted cable.

An air-blast transformer installation.

Transformer Installation

An air-blast transformer installation.

A typical transformer sub-station.

Transformer Sub-station

A typical transformer sub-station.

Runner of a mixed-flow turbine.

Turbine

Runner of a mixed-flow turbine.

Arrangement of the electrical equipment in a modern steam-turbine generating station.

Turbine Station

Arrangement of the electrical equipment in a modern steam-turbine generating station.

Sectional elevation of the 31,000 h.p. turbo generator units used in the Yadkin River development (North Carolina) of the Tallassee Power Company.

Turbo Generator

Sectional elevation of the 31,000 h.p. turbo generator units used in the Yadkin River development (North…

A schematic diagram for an ungrounded neutral three-phase electrolytic protector.

Ungrounded Protector

A schematic diagram for an ungrounded neutral three-phase electrolytic protector.

Sectional elevation through the cylinder of a Skinner-poppet-valve uniflow engine.

Uniflow Engine

Sectional elevation through the cylinder of a Skinner-poppet-valve uniflow engine.

An automatic voltage regulator for small capacity exciters mounted on a 31 inch panel for insertion in a switchboard.

Voltage Regulator

An automatic voltage regulator for small capacity exciters mounted on a 31 inch panel for insertion…

The water-cooled transformer.

Water-cooled Transformer

The water-cooled transformer.

A gravity-type waterwheel, the most efficient wheel for very low heads and small quantities of water.

Waterwheel

A gravity-type waterwheel, the most efficient wheel for very low heads and small quantities of water.

An illustration of a stone well.

Stone Well

An illustration of a stone well.

A Westinghouse oil-insulated, self-cooling choke coil for pressures from 25,000 to 70,000 volts.

Westinghouse

A Westinghouse oil-insulated, self-cooling choke coil for pressures from 25,000 to 70,000 volts.

A Westington electrolytic protector for a three-phase, ungrounded neutral 22,000-volt circuit.

Westington

A Westington electrolytic protector for a three-phase, ungrounded neutral 22,000-volt circuit.

A wireman running flexible armored cable in a flooring space.

Wireman

A wireman running flexible armored cable in a flooring space.

A method of running wires past bracing.

Wires

A method of running wires past bracing.

Wiring where a panel box is necessary.

Wiring

Wiring where a panel box is necessary.

Wiring a small frame building.

Wiring a Building

Wiring a small frame building.

Exploring a wiring space with flash lamp and mirror.

Wiring Space

Exploring a wiring space with flash lamp and mirror.

The principles of operation of the Wright demand meter.

Wright Meter

The principles of operation of the Wright demand meter.