A sliced view at point VW, shown in the top figure. The inside view of the cylinders shows the points…
An outside view of two cylinders intersecting in an auxiliary plane. The dotted lines is the center…
"If B and C are points in the spiral and the ratio of AC to AB be given, the intermediate point D may…
"This class of spirals may be generated by unwinding a perfectly flexible but inextensible chord from…
A helix spiral generated by revolving about an axis at an angle less than 90 degrees. This generates…
The illustration detailing of a screw thread. Threads are created by drawing a cylindrical shape at…
An illustration of the V thread screw. The screw is drawn by connecting the two opposite points of the…
A double thread screw drawn by drawing diagonal lines in between the pitch. The double thread screw…
A close up of a square thread on a screw. This representation shows the correct an accurate three dimensional…
Illustration of a common representation for square thread screw. The screw is drawn in two dimensions…
A representation of the square threaded nut and screw. The left image shows the threaded screw with…
A representation of the square threaded nut and screw. The left image shows the threaded screw with…
An illustration of the hexagonal bolt head showing measurements. The measurement of diameter, D, is…
A screw head with detailed measurements for accurate drawing. These measurements are based off the diameter…
An exercise problem to create a vanishing point using lines. The line is drawn by placing a dot into…
An illustration of drawing an eight point star using a series of pentagons to create a star. The paper…
"Divide the square as indicated by the dotted lines, drawing these as full lines in pencil, but do not…
"Use the T square and 45 degree triangle to divide the square as indicated, the size of the small squares…
A diagonal line pattern drawing exercise in for T square and triangle. The image is constructed by dividing…
The construction of a star with square overlapping each other using a triangle and T square. This image…
A problem exercise to construct a star overlapping square using a triangle and T square. The image is…
An exercise problem drawing a series of horizontal lines using a straight edge or triangle without using…
An exercise for mechanical drawing to construct a series of horizontal lines. The solid lines are drawn…
This folding square is also known as a t-square which is a technical instrument, primarily a guide for…
A drawing exercise for drawing eight concentric circles by dividing the paper in quarters as shown.…
Mechanical drawing exercise of drawing dotted lined concentric circles. The circles are first drawn…
An inscribed circle pattern exercise for mechanical drawing. The pattern is drawn by dividing the horizontal…
A mechanical drawing exercise of a circle with curved wavy lines. The image is drawn by dividing horizontal…
Mechanical drawing exercise for circle with two tangent points on both sides of the circle. The paper…
A mechanical drawing exercise of drawing a curved line with circle in the middle. The image is drawn…
"With a 45 degree triangle draw lines AC and BD through the center and construct three squares. Set…
A mechanical drawing practice problem of shading the sides of the inscribed circles. The darker area…
An exercise to shade small circles with bow pen for mechanical drawing. The paper is first divided into…
Mechanical drawing exercise of shading squares and circle in ink. The squares are first drawn with the…
A practice exercise for mechanical drawing to line shade the plate with elliptic holes. The plate is…
"This is a practice in the joining of shaded arcs, the smaller of which should be drawn with the bow—Pen,…
This is an individual swing apparatus from which a person can sit onto and swing for comfort and relaxation.
This is an architectural tool, which facilitates the use of drawing straight lines and right angles,…
A hanger that is shaped like a person's shoulders and used to hang garments on is used in union with…
A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths.
A drawing of Pope Pius IX. He was the pope from June 16, 1846 until February 7, 1878. Pope Pius IX is…
A triangular nanogram star with 9 points. This nine point star is created by drawing nine diagonal lines…
"Hydra viridis, the freshwater polyp. The animal is attached to the stem of a plant, and is represented…
A piece of furniture consisting of a seat, legs, back, and often arms, designed to accommodate one person.
A T-shaped ruler, used primarily in mechanical drawing, having a short crosspiece that slides along…
An object, often a small representation of something familiar, as an animal or person, for children…
This blackboard marker is a tool used to guide blackboard user while drawing horizontal, vertical and…
"The regiment was commanded by Colonel Glover, and General Washington selected him as the fittest person…
An American explorer who claimed to have been the first person to reach the geographic North Pole.
A French physicist and chemist famous for her work on radioactivity. She was the first person honored…