"a Sigillaria (restored); b leaflet; c & d impressions on bark; e section of stem; f portion of cylinder,…
"Lengthwise section through root-tip of Indian corn. w, root-cap; i, younger part of cap; z, dead cells…
"Accessory buds of box-elder (Negundo). A, front view of group; B, two groups seen in profile." -Bergen,…
"Leaves standing nearly vertical in compass-plant. (Silphium laciniatum). A, view from east or west;…
"Irregular corolla of sweet pea. A, side view; B, front view. s, standard; w, w, wings; k, keel." -Bergen,…
"Parts of a stamen. A, front; B, back. a, anther; c, connective; f, filament." -Bergen, 1896
"Head of yarrow. A, top view; B, lengthwise section. re, receptacle; i, involucre; r, ray-flowers; d,…
"Scotch Pine (P. slvestris). 1, a twig showing: a, staminate catkins; b, pistillate catkins; c, a cone;…
"Fescue-grass (Festuca pratensis). A, spikelet; B, a flower, the lodicules in front and the palea behind;…
"Explanation of the cylinder. a, altitude; c, circumference of base, or perimeter; d, diameter; s, lateral…
"A four wheeled carriage, having a plank attached to the hind axle and to a crossbar in front." -Foster,…
Illustration of stairs; 3-dimensional view of 4 steps. The staircase can be created by combining/stacking…
Illustration of an oblique view of a rectangular solid/prism at 30°.
Illustration of an oblique view of a rectangular solid/prism at 45°.
Illustration of an oblique view of a rectangular solid/prism at 60°.
Illustration of an oblique view of a hollow cylinder. The portion removed from the center of the cylinder…
Illustration of the plan and shaded elevation of a cylinder. The cylinder is viewed from the side and…
"The capital of Bohemian, a prosperous well-built city near the centre of the kingdom, on both sides…
This illustration displays an end view of the proa. A proa is a type of sailing vessel with multi hulls.
This illustration displays a plan view of the proa. A proa is a type of sailing vessel with multi hulls.
This illustration displays an elevation view of the proa. A proa is a type of sailing vessel with multi…
"Prostyle, in architecture, applied to a portico in which the columns stand out quite free from the…
An instrument used to measure the quantity of a rain which falls at a given place. They are which falls…
Students work on math in front of the class using an early abacus and writing on the chalkboard.
The name of a genus of gasteropodous mollusca. These animals are slug-like in appearance, and derive…
The internal view of a tooth cut through from the top or crown to the tips of the root. Labels: 1, enamel;…
Labels: O, esophagus; S, stomach; SI, small intestine; LI, large intestine, Sp spleen; L, liver (raised…
Labels: T, thyroid cartilage: C, cricoid cartilage; Tr, trachea; H, hyoid bone; E, epiglottis; I, joint…
Labels: T, thyroid cartilage: C, cricoid cartilage; Tr, trachea; H, hyoid bone; E, epiglottis; I, joint…
Labels: 1, longitudinal fissure separating the hemispheres; 2 and 3, front and posterior lobes of the…
The brain and the cranial nerves seen partly in section and partly in side view. Labels: C, convolutions…
The eyeball with its muscles attached. The upper muscle not attached to the ball belongs to the upper…
The chief organs of the body from the side. Labels: a, arch of the aorta or main artery of the trunk;…
Front half of a caterpillar. Labels: a, opening air tubes, a pair of which are shown in black at the…
A view from behind of a frontal section through the right elbow joint.
A sagittal section through the left elbow joint of a child. View from the inner side.