### Lines, 2 Parallel Horizontal

2 parallel horizontal lines with arrows on both ends to show that they extend indefinitely.

### Lines, 2 Parallel Horizontal

2 parallel horizontal lines with arrows on both ends to show that they extend indefinitely. The top…

### Intersecting Lines, 2 Perpendicular

2 intersecting lines, one of which is vertical and one of which is horizontal. The intersection forms…

### Lines, 3 Parallel Horizontal

3 parallel horizontal lines with arrows on both ends to show that they extend indefinitely.

### Lines, 4 Parallel Horizontal

4 parallel horizontal lines with arrows on both ends to show that they extend indefinitely.

### Lines, 5 Parallel Horizontal

5 parallel horizontal lines with arrows on both ends to show that they extend indefinitely.

### Lines, 6 Parallel Horizontal

6 parallel horizontal lines with arrows on both ends to show that they extend indefinitely.

### Azure Shield

A heraldic shield with a blue surface, which is represented by the horizontal lines.

### Center of Gravity of a Rolling Ball

"When a ball is rolling on a horizontal plane, the centre of gravity is not raised, but moves in a straight…

### Horizontal Cylinder

Illustration of a shaded horizontal cylinder, viewed from the side.

### Graph of Ellipse with Foci and Center Labeled

A graph of tan ellipse with Foci and Center.

### Horizontal Arch

"Horizontally-coursed Arch." — Encyclopedia Britanica, 1893

### Horizontal effect

"The effect of horizontal movement in shortening figure as eye travels from side to side." —Kinne,…

### Line, Horizontal

A horizontal line with arrows at both ends to show that it extends indefinitely.

### Line, Horizontal

A horizontal line with arrows at both ends to show that it extends indefinitely.

### Horizontal Training

"Horizontal Training." — Encyclopedia Britannica, 1893

### Horizontal Training

"Forms of Horizontal Training." — Encyclopedia Britannica, 1893

### Spirit Level

A tool used to indicate whether a surface is level (horizontal) or plumb (vertical).

### Projections of a Line

Projections of a line inclined to both the horizontal and vertical planes will not show its true length,…

### Projections of a Line

Projections of a line's true length by revolving horizontal projection.

### Perpendicular Lines

Right angle at perpendicular lines demonstrated by string on plumb line.

### Perpendicular Lines With Horizontal and Vertical Labeled

Illustration of perpendicular lines with the horizontal and vertical lines labeled. "A horizontal line…

### Measures of Form

Labeled shapes showing various measures of form.

### Square Pyramid Revolved 30°

Plan, front, and side views of a square pyramid after revolving pyramid through 30° with horizontal…

### Roof With 30 degree Inclination for Trigonometry Triangle Problems

Roof with a slope of 30 degrees. Angle theta is the inclination to the horizontal of the line AB, drawn…

### Sable Shield

A heraldic shield with a black surface, which is shown by the crossing horizontal and vertical lines.

### Horizontal shoring

"Shows horizontal shoring while the party walls of the remaining structure are being secured."—Finley,…

### Horizontally Trained Tree

A horizontally trained tree

### Pruned Tree

The fifth year of pruning a horizontally trained tree.

### Unpruned Vine

An unpruned vine trained according to the Hudson horizontal system.