Ten notable ancient Egyptian rulers, including Ramses III, Seti I, Gemahlin Amenophis III, Ptolemaeus Euergetes II, Nefertari, Arsinoe II Philadelphus, Aethopian, Cleopatra II, and Mutemua XVII.

Celebrities of Ancient Egypt

Ten notable ancient Egyptian rulers, including Ramses III, Seti I, Gemahlin Amenophis III, Ptolemaeus…

A French Curve is used by connecting sufficient points to sketch a curve. The sketch should be line lightly with pencil, without losing points, until the a smooth line is drawn.

Using French Curve

A French Curve is used by connecting sufficient points to sketch a curve. The sketch should be line…

An ellipse French curve, or irregular curve, is used to draw short elliptical radius curves by using points.

Ellipse Curve French Curves

An ellipse French curve, or irregular curve, is used to draw short elliptical radius curves by using…

A Logarithmic Spiral French curve, or irregular curve, is used to draw short elliptical radius curves by using points. The log curve is approximately closely shaped to a cycloid and other mathematical curves.

Logarithmic Spiral Curve French Curves

A Logarithmic Spiral French curve, or irregular curve, is used to draw short elliptical radius curves…

A Polar Spiral French curve, or irregular curve, is used to draw engineering diagrams and steam curves, and is plotted by using the polar equation.

Polar Curve French Curves

A Polar Spiral French curve, or irregular curve, is used to draw engineering diagrams and steam curves,…

Adjustable limit gage is used to measure the diameter of an object by adjusting screws on both sides of the U shaped gage.

Adjustable Limit Gage

Adjustable limit gage is used to measure the diameter of an object by adjusting screws on both sides…

A micrometer depth gage used to measure irregular holes in narrow boring. The gage measures the holes by inserting the rod into the gage while the pointer measures the bore.

Depth Micrometer Gage

A micrometer depth gage used to measure irregular holes in narrow boring. The gage measures the holes…

An illustration of a planer height gage for fine, or precise, work. The gage measures the object's height by moving the extended arm and fastening it with the conical pin. The height is read by the measuring stick attached to the arm.

Planer Height Gage

An illustration of a planer height gage for fine, or precise, work. The gage measures the object's height…

Korsabad ruler

Korsabad Ruler

Korsabad ruler

To draw a straight line, the pen must be perpendicular with the straight edge ruler, as shown in A. A one sided ragged line will result if the pen is positioned at C. If the pen is positioned at B, the ink will run under the edge and form a blot.

Positioning Pen with the Straight Edge

To draw a straight line, the pen must be perpendicular with the straight edge ruler, as shown in A.…

An Architect's Scale ruler for drawing machinery and structures.

Architect's Scale Ruler

An Architect's Scale ruler for drawing machinery and structures.

An Engineer's Scale ruler for plotting and map drawing.

Engineer's Scale Ruler

An Engineer's Scale ruler for plotting and map drawing.

An illustration of a metric ruler.

Metric Ruler

An illustration of a metric ruler.

Illustration of a child measuring with rulers that can be used to write mathematics story problems involving comparison, measurement, etc.

Child Holding Rulers

Illustration of a child measuring with rulers that can be used to write mathematics story problems involving…

Illustration of two children holding rulers that can be used to write mathematics story problems involving comparison, taller, shorter, highest, lowest, etc.

Children Holding Rulers

Illustration of two children holding rulers that can be used to write mathematics story problems involving…

Illustration of children holding rulers that can be used to write mathematics story problems involving comparison, taller, shorter, highest, lowest, etc.

Children Holding Rulers

Illustration of children holding rulers that can be used to write mathematics story problems involving…

A shaper micrometer scale by clamping onto the material to measure the thickness reading the rotation dial at (C).

Shaper Clamp Micrometer Scale

A shaper micrometer scale by clamping onto the material to measure the thickness reading the rotation…

A shaper micrometer scale measuring cross—feed spindle to measure the diameter by reading the raised ruler.

Shaper Spindle Micrometer Scale

A shaper micrometer scale measuring cross—feed spindle to measure the diameter by reading the…

An adjustable T-square to create straight lines at different angles with a ruler attached to the head.

Adjustable Head T-square with Ruler

An adjustable T-square to create straight lines at different angles with a ruler attached to the head.

An adjustable T-square to create straight lines at different angles.

Adjustable Head T-square

An adjustable T-square to create straight lines at different angles.

An English T-square for drawing straight lines. The narrowing of the bottom blade makes the T-square look as if it is not perpendicular.

English T-square

An English T-square for drawing straight lines. The narrowing of the bottom blade makes the T-square…

A long fixed head T-square for drawing straight lines. The head shape of the T-square allows for drawing a long square.

Long Fixed Head T-square

A long fixed head T-square for drawing straight lines. The head shape of the T-square allows for drawing…

A regular fixed head T-square for drawing straight lines. The blade must be perfectly straight in order to draw accurate lines.

Regular Fixed Head T-square

A regular fixed head T-square for drawing straight lines. The blade must be perfectly straight in order…