The Spring-tooth Rake was often objected by farmers because the wire teeth scratched up too much earth…
Many mollusks live upon seaweeds, and the greater number of terrestrial forms are fond of garden vegetables.…
"Hesperornis regalis, (a fossilized restoration) which stood about three feet high, had blunt teeth…
"Under Side of Head of Geomys bursarius, showing entrance of external cheek-pouches and sulcate superior…
Wild Oat Grass (Danthonia spicata), also referred to as White Top grass, and Old Fog grass, is common…
Wild Oat Grass (Danthonia spicata), also referred to as White Top grass, and Old Fog grass, is common…
"Bulldog, a variety of the common dog, remarkable for its short, broad muzzle, and the projection of…
"A, symphysis menti; B, angle of jaw; C, body or horizontal ramus; D, coronoid process; E, ascending…
"Falcons. Bill furnished with a sharp tooth and notch near the end of the cutting edge of the upper…
This gig mill uses a rotating drum head which carries a series of rotating napping roles. This machine…
Dental floss is either a bundle of thin nylon filaments or a plastic ribbon used to remove food and…
A comb is a toothed device used in hair care for straightening and cleaning hair or other fibers. Combs…
This machine is used to make toothpicks. A toothpick is a small stick of wood, plastic, bamboo, metal…
The driving gear is a machine component consisting of a toothed wheel attached to a rotating shaft.…
A step block supported by an arm clamp also holds a work piece which has been machined. The step block…
This is a late model toothbrush framing, toothbrushes are instruments which are made using a small brush…
A cast iron hub with teeth inserted spirally attached to a mandrel to create a gear.
"The workpiece is fastened on a round platen, which in turn is attached to the table of a large and…
A saw set is a device used in the sharpening of hand saws. Once the teeth have been jointed and filed,…
The lower jaw and teeth of the Megatherium, elephant sized sloth. The teeth are quandrangular, or triangular…
Illustration showing the upper molar teeth of the megatherium, a giant sloth. The teeth were 7 to 8…
A partial or complete set of artificial teeth for either the upper or lower jaw. Also called dental…
A side view of the howler monkey skull. The monkey have four sharp canines, long teeth on skull, on…
A long-handled implement with a row of projecting teeth at its head, used especially to gather leaves…
Any similar tool or device, as a rotating disk, in which a sharp continuous edge replaces the teeth.
An artificial replacement of one or several of the teeth (partial denture), or all of the teeth (full…
A long-handled tool with a row of teeth at its head; used to move leaves or loosen soil
A flower in the buckwheat family. A drooping flower with a white tube and green deltoid teeth.
The flower heads of gundelia tourneforth are purple and large. The flowers grow in clusters at the end…
Hibbertia perfoliata flowers are pale yellow. The flowers bloom in summer. The leaves are edged with…
Ilex aquifolium crassifolia is a green leaved variety of holly. The leaves are dull green. The leaves…
Ilex aquifolium ovata is a green leaved variety of holly. The leaves are about two and a half inches…
The seed vessel of lychnis burst open lengthwise. The capsule opens by as many teeth as there are styles.
This illustration shows a fret saw in use. The blade is a thread of metal with teeth, set in a 'U'-shaped…
Found in Oueensland and other parts of Australia, this lizard belongs to the family Agamidae. It reaches…
The Gadwall (Chaulelasmus streperus) is a widely distributed duck, appearing throughout Europe and N.…
The bill of the Gadwall Duck, showing the comb-like 'teeth' that they are known for.
Galeopithecus is the generic name of certain mammals from the Malayan region, commonly (incorrectly)…
Helical gearing is a modification of ordinary toothed gearing in which the pitch surfaces may be cylinders…
Screw-and-Worm gearing is a type of gearing in which the velocity ratio is independent of the radii…
The Greyhound as a show dog is judged as follows: height and weight, ranging from 23 to 27 in. and from…
After the softening process in the manufacturing of jute, the fibers are about six feet long, and are…
The Great Kangaroo, or 'boomer', or 'old man' (Macropus giganteus), attains a height of about five feet…
This illustration shows a section of a tooth of a typical Labyrinthodont. Labyrinthodont, or Stegocephali…
Lamium album (also known as the white dead-nettle, or archangel) is a member of the Lamium, a genus…
"But when the king came in to behold the guests, he saw there a man who had not on a wedding-garment:…
This illustration includes numerous types of saws: a. Circular saw (right-hand and left-hand saws have…
Pristis pectinatus. "1. An elasmobranchiate or selachian fish of the family Pristidae, having the snout…
A saw-set is an "instrument used to wrest or turn the teeth of saws alternately to the right left so…
"a. shank for fixing the implement to a bench; c. punch, hinged to a base b and e; and pressed upward…
Close-up illustration of scalpriform incisor of a beaver. It is "chisel-shaped; having the character…
Pristis pectinatus. "1. An elasmobranchiate or selachian fish of the family Pristidae, having the snout…
"...a variety of calcite, crystallizing in scalenohedral forms; so named from a fancied resemblance…