A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of…
Most boilers consist of a rotating drum called a tumbler through which heated air is circulated to evaporate…
This ice chest is used in the storage of ice in order to maintain a cool temperature for drinks and…
"Moonwort, or moon—fern, in botany belonging to the order Ophioglossaceae. It has a tuberous root—stock…
"In this machine a petrol or paraffin engine drives a water—ballast roller through the medium…
"Polygonaceae, a natural order of Dicotyledons, containing 30 genera with about 700 species, chiefly…
"Polygonaceae is mainly a north temperate order. A few genera are tropical which has 125 species restricted…
A machine using an electric motor to rotate thin, rigid vanes in order to move air, as for cooling.
A machine that inserts staples into sheets of paper in order to fasten them together
Built by Seti I and completed by his son Ramses II. The pillars in this temple contain carvings of very…
"In order that [Alaric's] body might be saved from the gaze of the vulgar and the rage of his foes,…
"1. Companies of the Regulars marching into Concord. 2. Companies of the Regulars drawn up in order.…
"We see here a number of cooks busily engaged in making some broth which they wish to have better than…
"These two boys have just been let out of school, and are returning home. Their father's house is seen…
Roger Williams was the founder of the Providence Plantation in Rhode Island, as well as the first Baptist…
"Instituted by Napoleon in 1802; given to both soldiers and civilians for distinguished services to…
"At the age of twenty-one the squire became a knight, being then introduced to the order of knighthood…
"From a gravestone of the first century A.D. The standard consists of a spear crowned with a wreath,…
"The Star is the badge, first ordered by Charles I. The rays are of silver or diamonds. The star is…
"The Jewel or Badge, attached to the collar, or worn depending from a broad dark green ribbon which…
"The ribbon, of sky-blue, four inches in width, is worn over the right shoulder, and sustains the badge…
"The collar, of gold, in weight thirty ounces, is composed of nine imperial crowns, and eight groups…
"This Order was instituted by Her Majesty the Queen, in the year 1861, for bestowing honor upon the…
"The Savoy cabbages have wrinkled leaves and have a peculiar flavor that is much liked by most people.…
"The Improved Long Orange is the standard stock carrot. The roots are large and long, and are of good…
"In the second order of levers, the resistance is between the fulcrum and the power; and, as before,…
"In the third order of lever the power acts between the prop and the resistance, where also P : W ::…
A diagram showing the motions a young frog makes while swimming. In this stage of life, the frog makes…
In order to grow achimenes they have to be started and grown in stove heat until they flower. Roots…
Frog hopper belong to the same order as aphidoe, to the section which has the leathery upper wings.…
House crickets are in the order Orthoptera. Crickets are destructive to plants in every stage after…
Grasshoppers belong to the order Orthoptera. Grasshoppers have mouths fit for biting, net-veined wings,…
Cockroaches belong to the order Orthoptera. Cockroaches are harmful to plants in every stage after leaving…
Frog hoppers belong to the order Heteroptera. This order is also known as plant bugs. These insects…
Size and good quality in the flowers of the Lily of the Valley depend upon the cultivation and attention…
Fan training of pears is better adapted for walls that are much higher than those usually surrounding…
The order marattiaceae, and the maratiia family, consists of stately tropical ferns with thickened,…
The hymenophyllaceae order consists of very delicate ferns. The cyatheaceae order usually consists of…
Schizaeaceae: 1, aneimia, sporangium. Osmundaceae: 2, Osmunda, sporangium; a, front view, b, back view.…
Cycadaceae is an order with more or less woody plants. The stems are thick, unbranched, columnar, or…
Taxaceae order consists of the yew family. The Pinaceae order consists of the pine family. The Gnetaceae…
The typhaceae order consists of perennial marsh herbs with creeping rootstocks. The pandanaceae order…
Alismaceae is an order of herbaceous marsh plants with milky juice. Butomaceae is an order of aquatic…
Gramineae order consists of the grass family. Pictured are (1a) a part of a grass panicle, (1b) spikelet,…
Pictured from the cyperaceae orders are (1) scirpus, (1a) a portion of inflorescence, (1b) flower, (2)…
Pictured from the araceae order are (1) arisaema, spathe and spadix, and (2) arum spadix with male and…
Shown are flowers of the pontederiaceae, juncaceae, liliaceae, and amaryllidaceae orders. These flowers…
Shown are the orders of Casuarinaceae, Saururaceaem, Oiperaceae, and Chloranthaceae. Pictured are various…
Shown are the Urticaceae, Loranthaceae, and Olacaceae orders. Urtica, banksia, protea, phoradendron,…
Pictured are the orders of Nyctanginaceae, Phytolaccaceae, Aizoaceae, and Portulacaceae. Flowers of…
Pictured are the orders of Bassellaceae and Caryophyllaceae. The flower pictured belong to the Bassellaceae…
Nymphaeaceae is an order of aquatic herbs including the water lily family. This order has eight genera…
Shown are the orders of berberidaceae, menispermaceae, magnoliaceae, and calycanthaceae. The illustrated…
The orders of Annonaceae, Myristicaceae, Monimiaceae, and Lauraceae are pictured. The flowers of these…
Pictured are the orders of papaveraceae, fumariaceae, cruciferae, and capparidaceae. The flowers of…