ClipArt ETC
"The indicator consists of a cylinder in which a piston is fitted, a spring, multiplying lever, and parallel motion for the pencil and cylinder or drum for the paper. The piston is fitted accurately to the cylinder and has a travel about one—half inch." —Derr, 1911

Thompson Indicator for Steam Engine

"The indicator consists of a cylinder in which a piston is fitted, a spring, multiplying lever, and…

"The spring balance, B, is shown in a horizontal position. The ropes are held to the pulley or fly—wheel face by blocks of wood, O. The weights at W may be replaced by a spring balance if desired." —Derr, 1911

Rope Brake Measuring Brake Horse Power

"The spring balance, B, is shown in a horizontal position. The ropes are held to the pulley or fly—wheel…

A spring in the shape of a coil.

Multiple Purpose Spring

A spring in the shape of a coil.

An illustration of a clock spring which is a special rotary electrical connector. The clock spring allows a vehicle's steering wheel to turn while sill keeping a connection between many devices within the steering column.

Clock Spring

An illustration of a clock spring which is a special rotary electrical connector. The clock spring allows…

A faucet of which the valve is secured to its seat by a spring to prevent the passage of the liquid, a lever lifting it when the liquid is to be drawn off.

Self Closing Faucet

A faucet of which the valve is secured to its seat by a spring to prevent the passage of the liquid,…

Shrub with white flowers that blossom in the spring.

Spiraea Prunifolia

Shrub with white flowers that blossom in the spring.

A flower that grows in the winter and spring. It is pale yellow and lined with purple.

Placea Arzæ

A flower that grows in the winter and spring. It is pale yellow and lined with purple.

A pink flower that typically blooms in the Spring. The plant has been used for centuries as a medicinal herb, and the leaves are commonly eaten by caterpillars. They reach up to 1 foot in height.

Pulmonaris Officinalis

A pink flower that typically blooms in the Spring. The plant has been used for centuries as a medicinal…

A white flower with stripes of blue down the center. It typically blooms in the Spring, and is found in Asia and the Middle East. The leaves grow in twos, and are strap-like.

Puschkinia Scilloides

A white flower with stripes of blue down the center. It typically blooms in the Spring, and is found…

A greenish-red plant with laciniate-cut leaves. In the spring, edible crimson berries are produced and remain throughout the winter.

Rhus Glabra Laciniata

A greenish-red plant with laciniate-cut leaves. In the spring, edible crimson berries are produced and…

"The Crocus is well known as one of our earliest spring flowers, producing dense masses of richly colored blossoms. The more thickly they are planted, the greater the effect produced."—Heinrich, 1887

Crocuses

"The Crocus is well known as one of our earliest spring flowers, producing dense masses of richly colored…

Also known as Daffodil. A hardy plant with white flowers. It mostly blooms in the spring.

Narcissus

Also known as Daffodil. A hardy plant with white flowers. It mostly blooms in the spring.

A scale used for weighing milk.

Milk Scale

A scale used for weighing milk.

A spring vegetable native to most of Europe, northern Africa, and western Asia.

Bunch of Asparagus

A spring vegetable native to most of Europe, northern Africa, and western Asia.

Abronia Umbellata grow well in light, sandy soil in a fully exposed position. The limbs of the flower like to spread out. Abronia can be sowed in the autumn and planted in the spring.

Habitat of the Abronia Umbellata Plant

Abronia Umbellata grow well in light, sandy soil in a fully exposed position. The limbs of the flower…

Achillea clavennae flowers have white heads and grow in a convex cluster. The outermost flowers on the plant are the first to open. These flowers grow well in the spring and summer.

Achillea Clavennae Flowers

Achillea clavennae flowers have white heads and grow in a convex cluster. The outermost flowers on the…

A branch from the Capparis jamaicensis tree, native to Florida during the spring season.

Branch of Capparis Jamaicensis

A branch from the Capparis jamaicensis tree, native to Florida during the spring season.

Anthoxanthum Odoratum is commonly known as Spring Grass. This grass grows up to one foot high. This grass has a pleasant smell of new hay.

Anthoxanthum Odoratum Grass

Anthoxanthum Odoratum is commonly known as Spring Grass. This grass grows up to one foot high. This…

Antirrhinum Majus is commonly known as Greater Snapdragon or Common Snapdragon. This flower grows in spring, summer, and autumn. This flower grows in Europe.

Antirrhinum Majus

Antirrhinum Majus is commonly known as Greater Snapdragon or Common Snapdragon. This flower grows in…

The apricot tree blooms during February, earlier than most fruit trees. Because apricot trees bloom early it is difficult to save the flowers from the destruction caused by spring winds and frosts.

Blossom of Apricot

The apricot tree blooms during February, earlier than most fruit trees. Because apricot trees bloom…

There are several varieties of asparagus. The most popular varieties are Connover's Colossal and Giant. Asparagus season is in the spring.

Asparagus Crown for Lifting

There are several varieties of asparagus. The most popular varieties are Connover's Colossal and Giant.…

Brassia maculata flowers are large, pale yellow and spotted with brown. This flower blooms in spring and early summer.

Single Flower of Brassia Maculata

Brassia maculata flowers are large, pale yellow and spotted with brown. This flower blooms in spring…

The common name of caltha is marsh marigold. The flowers are golden colored. The flower blooms in spring.

Caltha Pulstris Monstrosa Plena

The common name of caltha is marsh marigold. The flowers are golden colored. The flower blooms in spring.

In the early spring the pollen-bearing catkins appear before the female flowers. A shows the male catkins, B shows the sessile female flowers.

Leafless Twig of Filbert

In the early spring the pollen-bearing catkins appear before the female flowers. A shows the male catkins,…

Helleborus Olympicus flowers are a purplish color. The flowers bloom in spring. Each stem has two or three flowers. The plant grows two feet tall.

Habit and Fully and Partially Expanded Flowers of Helleborus Olympicus

Helleborus Olympicus flowers are a purplish color. The flowers bloom in spring. Each stem has two or…

Common hyacinth is the common name of hyacinthus orientalis. The flowers are fragrant and clustered. The flowers bloom in spring.

Common Hyacinth

Common hyacinth is the common name of hyacinthus orientalis. The flowers are fragrant and clustered.…

The common name of iberis umbellata is the common candytuft. The flowers are usually purple. The flowers bloom in spring and summer. The plant grows between six and twelve inches tall.

Habit and Detached Inflorescence of Iberis Umbellata

The common name of iberis umbellata is the common candytuft. The flowers are usually purple. The flowers…

The common name of leucoium vernum is Spring Snowflake. The flowers are white with green spots on the tips of the segments. The flowers droop at the tops of the stems.

Habit and Detached Flower of Leucoium Vernum

The common name of leucoium vernum is Spring Snowflake. The flowers are white with green spots on the…

Limnanthes douglasii flowers are yellow passing off to white streaked with gray. The flowers have a sweet scent. The flowers bloom spring to autumn.

Flowering Branch of Limnanthes Douglasii

Limnanthes douglasii flowers are yellow passing off to white streaked with gray. The flowers have a…

The flowers of sweet gum are greenish yellow. The flowers bloom in spring. The tree somewhat resembles maple.

Female Flowering Branch of Sweet Gum

The flowers of sweet gum are greenish yellow. The flowers bloom in spring. The tree somewhat resembles…

Lonicera sempervirens is an evergreen variety of honeysuckle. The flowers are scarlet outside and yellow inside. The flowers bloom in the spring and summer.

Flowering Branchlet of Lonicera Sempervirens

Lonicera sempervirens is an evergreen variety of honeysuckle. The flowers are scarlet outside and yellow…

Lychnis alpina flowers are pink and grow in close, compact heads. The petals are very narrow. The flowers bloom in spring and summer.

Habit and Detached Portion of Inflorescence of Lychnis Alpina

Lychnis alpina flowers are pink and grow in close, compact heads. The petals are very narrow. The flowers…

Lychnis fulgens flowers are bright red. The flowers are large and the petals are four cleft. The flowers bloom in spring and summer.

Corolla of Lychnis Fulgens

Lychnis fulgens flowers are bright red. The flowers are large and the petals are four cleft. The flowers…

Masdevallia lindeni flowers are brilliant violet, rose, or magenta, with a white eye. Each stem has one flower. The flowers bloom in winter and early spring.

Masdevallia Lindeni

Masdevallia lindeni flowers are brilliant violet, rose, or magenta, with a white eye. Each stem has…

The common name of mertensia virginica is Virginian cowslip. The flowers are purple blue and tubular. The flowers bloom in spring and summer.

Inflorescence and Detached Flower of Mertensia Virginica

The common name of mertensia virginica is Virginian cowslip. The flowers are purple blue and tubular.…

The flowers of mitrostigma axillare are white and very fragrant. The flowers bloom in spring.

Flowering Branch and Detached Single Flower of Mitrostigma Axillare

The flowers of mitrostigma axillare are white and very fragrant. The flowers bloom in spring.

St. George's Mushroom is the common name of agaricus gambosus. This species appears in the spring. This mushroom is edible.

St. George's Mushroom

St. George's Mushroom is the common name of agaricus gambosus. This species appears in the spring. This…

Nemophila insignis flowers are sky blue with a white eye. The flowers bloom in spring and summer.

Nemophila Insignis

Nemophila insignis flowers are sky blue with a white eye. The flowers bloom in spring and summer.

Early white Naples onions are an early form of the silver skinned section. The little bulbs are produced in early spring.

Early White Naples Onions

Early white Naples onions are an early form of the silver skinned section. The little bulbs are produced…

Military orchis is the common name of orchis militaris. The flowers are numerous and grow in a dense, oblong spike. The flowers bloom in spring.

Flower of Military Orchis

Military orchis is the common name of orchis militaris. The flowers are numerous and grow in a dense,…

Oxalis corniculata flowers are yellow and bloom spring to autumn. Pictured are the habit, detached bud, expanded flower, and capsule.

Oxalis Corniculata

Oxalis corniculata flowers are yellow and bloom spring to autumn. Pictured are the habit, detached bud,…

Phlox reptans flowers are purple or violet and bloom in spring. It is a neat and dwarf growing species.

Phlox Reptans

Phlox reptans flowers are purple or violet and bloom in spring. It is a neat and dwarf growing species.

Illustrated is a mass of agaricus melleus on the root of a young pine. The mushroom caps spring up in large clusters near the roots of trees.

Mass of Agaricus Melleus

Illustrated is a mass of agaricus melleus on the root of a young pine. The mushroom caps spring up in…

The common name of <i>Adonis vernal</i> is spring adonis. The flowers are large with 10-15 petals. The flowers bloom in early spring.

Adonis Vernalis

The common name of Adonis vernal is spring adonis. The flowers are large with 10-15 petals. The flowers…

The flowers of <i>Akebia quint</a> are purple and fragrant. The flowers appear in early spring.

Akebia Quinata Flower

The flowers of Akebia quint are purple and fragrant. The flowers appear in early spring.

The flowers of <i>Allium moly</i> are numerous and appear in early spring. The leaves are flat and broad.

Allium Moly

The flowers of Allium moly are numerous and appear in early spring. The leaves are flat and broad.

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied, wingless female aphid appear and give birth to young aphids. They suck the juices from leaves or twigs.

Wooly Aphis on Alnus

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied,…

Illustrated is cabbage in winter storage in a cabbage house. Cabbages grown for late winter and early spring are trimmed and stored in bins or on shelves in frost-proof storehouses.

Cabbage in Winter Storage

Illustrated is cabbage in winter storage in a cabbage house. Cabbages grown for late winter and early…

The flowers of chorizema ilicifolium are orange-red in spring and summer.

Chorizema Ilicifolium

The flowers of chorizema ilicifolium are orange-red in spring and summer.

The common name of cornus mas is Cornelian cherry. The shrub grows twenty feet tall. The fruit is oblong, scarlet, and edible. The flowers bloom in spring and the fruit appears in the fall.

Cornus Mas

The common name of cornus mas is Cornelian cherry. The shrub grows twenty feet tall. The fruit is oblong,…

Corydalis nobilis is an erect perennial. The flowers are white, tipped with yellow and a dark purple spot. The flowers bloom in spring.

Corydalis Nobilis

Corydalis nobilis is an erect perennial. The flowers are white, tipped with yellow and a dark purple…

Maiden pink is the common name of dianthus deltoides. The plant is densely tufted and grows six to ten inches tall. It blooms in spring and early summer. The flowers are small and deep red with a crimson eye.

Maiden Pink

Maiden pink is the common name of dianthus deltoides. The plant is densely tufted and grows six to ten…

Illustrated is a winter bud of elodea. The buds grow in the spring. Elodea is an aquatic herb.

Elodea

Illustrated is a winter bud of elodea. The buds grow in the spring. Elodea is an aquatic herb.

Laelia purpurata is native to Brazil. The flowers are very large, six to eight inches across. The flowers bloom in spring.

Laelia Purpurata

Laelia purpurata is native to Brazil. The flowers are very large, six to eight inches across. The flowers…

The flowers of leucophyllum texanum bloom in spring and summer. It is a loose growing, straggling shrub. The shrub grows four to five feet tall.

Leucophyllum Texanum

The flowers of leucophyllum texanum bloom in spring and summer. It is a loose growing, straggling shrub.…

Loquat is a small, evergreen fruit tree native to China and Japan. The fruit ripens in the spring. The flavor of the fruit is similar to a cherry.

Loquat

Loquat is a small, evergreen fruit tree native to China and Japan. The fruit ripens in the spring. The…

Lycaste aromatica is native to Mexico. Each stem has one flower. The flowers bloom in winter and spring.

Lycaste Aromatica

Lycaste aromatica is native to Mexico. Each stem has one flower. The flowers bloom in winter and spring.

The flowers of lycoris squamigera are rosy lilac and banded yellow. The bulb is round. THe leaves are produced in spring.

Lycoris Squamigera

The flowers of lycoris squamigera are rosy lilac and banded yellow. The bulb is round. THe leaves are…

Illustrated is a spring tooth harrow with a frame.

Spring Tooth Harrow

Illustrated is a spring tooth harrow with a frame.

Illustrated is a form of spring tooth harrow. It is commonly used in Europe.

Spring Tooth Harrow

Illustrated is a form of spring tooth harrow. It is commonly used in Europe.