ClipArt ETC
The numbers represent different plants in this oriental pattern bedding. (1) white geranium, (2) <I>Calendula officinalis</I>, (3) green coleus, (4) lemoine's heliotrope, (5) <I>Alyssum variegatum</I>, (6) outline of black-red coleus.

Oriental Pattern Bedding

The numbers represent different plants in this oriental pattern bedding. (1) white geranium, (2) Calendula…

The clusters of sand blackberry bear one to four roundish berries.

Sand Blackberry

The clusters of sand blackberry bear one to four roundish berries.

Illustrated are two bouquet themes. The left is a flower theme, the right a foliage theme. The white circles represent flowers, the black circles represent foliage.

Bouquet Theme

Illustrated are two bouquet themes. The left is a flower theme, the right a foliage theme. The white…

Illustrated is harmony in vase and bouquet. The white circles represent flowers, the black represent foliage.

Bouquet in a Tall Vase

Illustrated is harmony in vase and bouquet. The white circles represent flowers, the black represent…

Illustrated is harmony in vase and bouquet. The white circles represent flowers, the black circles represent foliage.

Harmony in Vase and Bouquet

Illustrated is harmony in vase and bouquet. The white circles represent flowers, the black circles represent…

The stalks and rachis of ceropteris calomelanos are nearly black. The leaves are one to three feet long.

Ceropteris Calomelanos

The stalks and rachis of ceropteris calomelanos are nearly black. The leaves are one to three feet long.

Colocasia antiquorum esculenta has violet leafstalks. The blade is black-green with violet margins.

Colocasia Antiquorum Esculenta

Colocasia antiquorum esculenta has violet leafstalks. The blade is black-green with violet margins.

Coriaria japonica is a shrub grown chiefly for its ornamental fruits. It grows two to three, but sometimes ten, feet tall. The fruits become bright red in the summer and change to violet black when ripe.

Coriaria Japonica

Coriaria japonica is a shrub grown chiefly for its ornamental fruits. It grows two to three, but sometimes…

Cowpea, China bean, black-eyed pea, and black-eyed bean are all common names of vigna catjang. Botanically it is a bean rather than a pea.

Cowpea

Cowpea, China bean, black-eyed pea, and black-eyed bean are all common names of vigna catjang. Botanically…

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches. Some of the short branches bear leaves.

Thorns of Crataegus

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches.…

Black currant is the common name of ribes nigrum. It is a European species.

Black Currant

Black currant is the common name of ribes nigrum. It is a European species.

The common name of ribes floridum is native black currant. In this illustration the fruit is immature. It is an American species.

Native Black Currant

The common name of ribes floridum is native black currant. In this illustration the fruit is immature.…

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long. The flowers are reddish white. The fruit is yellow but black when fully ripe.

Diospyros Lotus

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long.…

Illustrated are grapes ruined by black rot.

Rotted Grapes

Illustrated are grapes ruined by black rot.

Tiger lily is the common name of lilium tigrinum. The flowers bloom in August and September. It is native to China and Japan. The flowers are salmon-red with purplish black spots.

Tiger Lily

Tiger lily is the common name of lilium tigrinum. The flowers bloom in August and September. It is native…

Turban lily and European Turk's cap lily are the common names of lilium martagon. The flowers are a dull, deep purplish red spotted with purplish black. The flowers bloom from late June to July.

Turban Lily

Turban lily and European Turk's cap lily are the common names of lilium martagon. The flowers are a…

Little Turk's cap lily is the common name of lilium pomponium. The flower is native to the Alps of southern France and northern Italy. The flowers are a brilliant scarlet spotted with purplish black.

Little Turk's Cap Lily

Little Turk's cap lily is the common name of lilium pomponium. The flower is native to the Alps of southern…

Lilium elegans is native to Japan and blooms in June and early July. The flowers are orange red and slightly spotted with purplish black.

Lilium Elegans

Lilium elegans is native to Japan and blooms in June and early July. The flowers are orange red and…

Sing Kwa is the common name of luffa acutangula. The fruit is strongly ribbed with black seeds. It is probably indigenous to Asia.

Luffa Acutangula

Sing Kwa is the common name of luffa acutangula. The fruit is strongly ribbed with black seeds. It is…

Spiked loosestrife, purple loosestrife, and black blood are the common names of lythrum salicaria. The plant grows two to three feet tall. The flowers are purple.

Spiked Loosestrife

Spiked loosestrife, purple loosestrife, and black blood are the common names of lythrum salicaria. The…

Illustrated are types of moldboard plows adapted to different kinds of plowing. (1) prairie breaker bottom, (2) rod breaker bottom, (3) stubble bottom, (4) general purpose bottom, (5) black land bottom, and (6) tame sod breaker bottom.

Moldboard Plows

Illustrated are types of moldboard plows adapted to different kinds of plowing. (1) prairie breaker…

The flowers of medinilla magnifica are coral red and have five petals. The flowers clusters are a foot long and can bear 100-150 flowers.

Medinilla Magnifica

The flowers of medinilla magnifica are coral red and have five petals. The flowers clusters are a foot…

Moonseed is the common name of <i>menispermum canadense</i>. The flowers are greenish white and grow in loose clusters. The fruit is bluish black and resembles small grapes.

Moonseed

Moonseed is the common name of menispermum canadense. The flowers are greenish white and grow in loose…

The leaves of the native red mulberry are very large. The fruit is deep red or almost black when fully ripe. It is native from Massachusetts to Florida, Kansas, and Texas.

Native Red Mulberry

The leaves of the native red mulberry are very large. The fruit is deep red or almost black when fully…

<i>Scleroderma vulgare</i> is black within, tough, and inedible. It resembles some smaller lycoperdon externally.

Scleroderma Vulgare

Scleroderma vulgare is black within, tough, and inedible. It resembles some smaller lycoperdon externally.

Myrtle is the common name of <i>myrtus communis</i>. It is an evergreen shrub that grows three to ten feet high. The flowers and leaves are strongly scented. The flowers are white and reddish. The berry is blue-black.

Myrtle

Myrtle is the common name of myrtus communis. It is an evergreen shrub that grows three to ten feet…

<i>Nyssa sylvatica</i> has several common names including tupelo, pepperidge, black gum, and sour gum. The leaves are oval shaped with fine hairs along the veins. The fruits are less than an inch long and nearly black.

Nyssa Sylvatica

Nyssa sylvatica has several common names including tupelo, pepperidge, black gum, and sour gum. The…

The common names of <i>nyssa sylvatica</i> are tupelo, pepperidge, black gum, and sour gum. The tree grows to 100 feet tall. The slender branches form a flat topped, cylindrical head.

Nyssa Sylvatica

The common names of nyssa sylvatica are tupelo, pepperidge, black gum, and sour gum. The tree grows…

Image of a typical alcohol lamp

Alcohol Lamp

Image of a typical alcohol lamp

A flame being emitted from a Bunsen burner, lighting a match.

Blowpipe Flame

A flame being emitted from a Bunsen burner, lighting a match.

A Westinghouse fuse box used to power a trolley car.

Fuse Box

A Westinghouse fuse box used to power a trolley car.

A typical circuit breaker that would have been used during the turn of the century. This image is an example of one that powered a trolley

Circuit Breaker

A typical circuit breaker that would have been used during the turn of the century. This image is an…

A single-pole lamp switch commonly used in the early twentieth century. It could control a single circuit or any number of circuits within its capabilities. When the knob (h) is turned to the right, and the connected spring (p) is wound as far as possible, the blade (k) is loosened from the contact tips (s) and thus breaks the circuit.

Lamp Switch

A single-pole lamp switch commonly used in the early twentieth century. It could control a single circuit…

A typical lamp switch used in the twentieth century, with a cover. These lamp switches were widely used for general purposes, but were used especially often in conjunction with trolley cars.

Lamp Switch

A typical lamp switch used in the twentieth century, with a cover. These lamp switches were widely used…

A three-way switch that was used to cut the headlights of a trolley and subsequently turn on the taillights. K is the switch blade, and L is a spring contact clip, three of which are raised on 'posts' (L1 is not raised).

Three-way Switch

A three-way switch that was used to cut the headlights of a trolley and subsequently turn on the taillights.…

A hood light that would typically be seen on a trolley in the early twentieth century. P is adjustable and can be changed, S is a socket that is a trolley car fixture, C is a cap that shuts down when P is taken out of S. H is the handle.

Hood Light

A hood light that would typically be seen on a trolley in the early twentieth century. P is adjustable…

Truck riggings for a double truck that holds a single trolley car. A truck is the mechanism that consists of the trolley wheels and motors. This type of rigging was used in the early twentieth century. This mechanism allows the trolley to pull an extraordinary amount of weight: between 2,000 and 5,000 pounds. (P) is a lever that is secured to the car body by fulcrum (f) which is stationary. (C, C) are two pieces of metal bent to suit the movements of the trolley car.

Truck Riggings

Truck riggings for a double truck that holds a single trolley car. A truck is the mechanism that consists…

An air-brake system that was in use in the early twentieth century on trolleys. This model was recommended by the Christensen Company, a popular manufacturing company of the time. The diameter of the brake pistons were 6 inches. A and B are brake levers; C, X, and Y are tension rods that lessen the strain on the brakes.

Lever System

An air-brake system that was in use in the early twentieth century on trolleys. This model was recommended…

The general arrangement of a Westinghouse electric brake commonly used in trolleys at the turn of the century. (a) and (a') are the track shoes, (b) and (b') are the brake shoes, (c) is the magnetizing coil that receives current from motors running temporarily as generators, (d) and (d') are springs that the brakes are suspended from, and (e), (k), (h), and (f) are levers that assist with the movement of the brake system.

Electric Brake

The general arrangement of a Westinghouse electric brake commonly used in trolleys at the turn of the…

A lima bean at different stages of soaking. This is an experiment to show how seeds get water from the soil.

Lima Bean

A lima bean at different stages of soaking. This is an experiment to show how seeds get water from the…

Seeds that are placed in hot water to see where their openings are by the air coming out of them.

Hot Water

Seeds that are placed in hot water to see where their openings are by the air coming out of them.

Seed covers placed on water and on a piece of glass. Both sets have sugar crystals placed in them. The covers on the water had water in them, which shows that the sugar in the seed helps to draw in water through the cover when placed in moist soil

Seed Covers

Seed covers placed on water and on a piece of glass. Both sets have sugar crystals placed in them. The…

Image of a young plant. R are the root hairs, C is a seed leaf, and L is a true leaf.

Young Plant

Image of a young plant. R are the root hairs, C is a seed leaf, and L is a true leaf.

An image of what a regular valley would look like if it were cut to make a plateau and lowlands.

Valley

An image of what a regular valley would look like if it were cut to make a plateau and lowlands.

A soil crumb that has been tilled to reveal its particles. This is to show what the soil is made of.

Soil Crumb

A soil crumb that has been tilled to reveal its particles. This is to show what the soil is made of.

A geranium branch. Geraniums can come in a variety of different colors.

Geranium Branch

A geranium branch. Geraniums can come in a variety of different colors.

A chestnut branch. Chestnuts branches are usually green in color and have edible nuts.

Chestnut Branch

A chestnut branch. Chestnuts branches are usually green in color and have edible nuts.

Image of a tree reaching for sunlight

Tree Branch

Image of a tree reaching for sunlight

The labeled anatomy of a cherry blossom.

Cherry Blossom

The labeled anatomy of a cherry blossom.

A description of how an apple grows from a flower.

Growing Apple

A description of how an apple grows from a flower.

A cutting of a wandering Jew plant in a glass of water. Wandering Jews are common houseplants with multicolored, heart-shaped leaves

Wandering Jew

A cutting of a wandering Jew plant in a glass of water. Wandering Jews are common houseplants with multicolored,…

Inarching, also known as approach grafting, is used to join two plants that are otherwise very difficult to join together. The pieces are tied so that each individual piece has roots beneath it and growth above it. Inarching can also be used in pleaching, which is the technique of weaving tree branches into bushes for decorative purposes.

Approach Grafting

Inarching, also known as approach grafting, is used to join two plants that are otherwise very difficult…

A codling moth worm, which is commonly known as a pest in the agricultural world. They are the pests that are most often found in apples

Codling Moth

A codling moth worm, which is commonly known as a pest in the agricultural world. They are the pests…

Peach tree borer larva. This image is about twice the actual size. Also called the peach crown borer. From its name, it is a pest found in peaches and other stone fruit

Peach Borer

Peach tree borer larva. This image is about twice the actual size. Also called the peach crown borer.…

The pupae stage of a peach tree borer, a pest that is commonly found in rotting peaches and other stone fruits. Also known as a peach crown borer

Peach Borer

The pupae stage of a peach tree borer, a pest that is commonly found in rotting peaches and other stone…

A destructive insect of corn. Also called a cucumber beetle. Diabrotica is the name of the genus with which this insect belongs

Corn Rootworm

A destructive insect of corn. Also called a cucumber beetle. Diabrotica is the name of the genus with…

Image of an Argentine ant. This destructive insect is native to parts of South America, but was accidentally introduced to other countries including North America, Australia, Hawaii, Europe, Japan, New Zealand, and Easter Island. The smaller image is slightly smaller than its actual size.

Argentine Ant

Image of an Argentine ant. This destructive insect is native to parts of South America, but was accidentally…

A centipede that damages asparagus.

Centipede

A centipede that damages asparagus.

Image A is of bacteria that needs air to grow. Image B is of bacteria that do not need air to grow.

Grown Bacteria

Image A is of bacteria that needs air to grow. Image B is of bacteria that do not need air to grow.

Sectional view of a sterilizing pail. Bottles are placed on the inverted pan on the bottom.

Sterilizing Pail

Sectional view of a sterilizing pail. Bottles are placed on the inverted pan on the bottom.