Meibomian Glands
Meibomian glands (glandulae tarsales), which are sebaceous glands embedded in grooves in the inner surface…
The Organ of Corti
The Organ of Corti (organon spirale), also known as the Papilla Spiralis. It is situated on the inner…
The Peritoneum
The peritoneum is a large serous membrane, which forms in the male a closed sac, the parietal layer…
Paper Money, Eight Shillings Bill, 1777
Eight Shillings Bill (8 shillings) Pennsylvania currency from 1777. Frame, arms and value printed in…
2 Concentric Squares
Illustration of 2 concentric squares whose vertices are connected by line segments.
Larynx
The larynx viewed from its pharyngeal opening. The back wall of the pharynx has been divided and its…
Top, Front, and End Projections
It can readily be seen that one view only with not give a complete picture of a solid object. Usually…
Frame Blueprint
To make a blueprint, place the tracing in a blueprint frame with the inked side next to the glass and…
Kite
The parts of a box kite: "A, frame, with B, crosspiece; C D, details of joints; F G, bridle; E, string…
Exercise
"Lie flat on the back. Raise first one leg and then the other to a perpendicular position." -Foster,…
Exercise
"Raise and lower both legs. Continue until mildly tired. This is an excellent exercise for the abdominal…
Exercise
"Lie flat on the back...hands clasped behind head. Pull up to sitting position." -Foster, 1921
Exercise
"Stand erect, arms outstretched to the side horizontally. Twist to left as far as possible, then twist…
Exercise
"Hands on hips. Bend first to right as far as possible. Then repeat to the left." -Foster, 1921