"In the center of the Place de l'Étoile, from which twelve broad avenues radiate in all directions.…
"The collar, of gold, in weight thirty ounces, is composed of nine imperial crowns, and eight groups…
"In the second order of levers, the resistance is between the fulcrum and the power; and, as before,…
Abutilon is a showy, free-growing shrub. There are many hybrids that are cultivated. They grow best…
The alströmeria aurantiaca flower is orange streaked with red. The flowers are arranged in groups…
The flowers of androsace sarmentosa are a bright rose color with a white eye. The flowers grow in groups…
The flowers of bomarea carderi are bell shaped and have six segments. The outer three segments are rose…
Grafting is placing two cut surfaces of one or different plants under conditions which cause them to…
Hemionites palmata is a fern. The fronds are two to six inches long. The fronds are palm shaped with…
Optunia brachyarthra is a variety of prickly pear. The flowers are very small. The prickles grow in…
Illustrated is a formal design for a garden. A vast fountain is pictured, and two more of equal scope…
An image of a 'double truck'. This truck has everything that a single truck has (four equal size tires…
If w and W are two weights, then their center of gravity c is as shown. The moment of W about C should…
Water that is placed in an apparatus will have equal pressure if the pistons pushing on it push at the…
The general rule of downward pressure is "the pressure upon the bottom of a vessel containing a fluid…
The effects of lateral pressure. The lateral pressures of any two points of the surface of the apparatus…
An image summarizing Pascal's law, which states that pressure of a liquid is equal in all directions…
An illustration of Archimedes Principle. "If a body is immersed in a fluid, it will lose in weight an…
To prove that air has weight and exerts pressure on the earth, this experiment is conducted. A glass…
Magdeburg Hemispheres. This model is used to show that atmospheric pressure is equal in all directions.…
A Cartesian diver. At the top of the jar is a rubber bulb filled with air. The figure inside the jar…
Orthorhombic Iron Disulphide (Marcasite) sometimes shows cyclic groups of five individuals, bounded…
In the orthorhombic system, tabular crystals of lead carbonite (cerussite), bounded by the forms ∞P∞̆,…
This figure shows the molecular structure that results when the distribution of attractive forces in…
A rose cut is a cut of gemstone. In this cut, the upper surface is shaped into triangular facets of…
"For the kingdom of heaven is like unto a man that was a householder, who went out early in the morning…
The town of Nazareth against a backdrop of mountains in the distance. Groups of men rest in the foreground