Martin's one-row horse hoe used in agriculture.

Horse Hoe

Martin's one-row horse hoe used in agriculture.

A portrait of Martin Luther after Cranach, he inspired the Protestant reform in the 1800's.

Martin Luther

A portrait of Martin Luther after Cranach, he inspired the Protestant reform in the 1800's.

A bird of the swallow kind, which forms its nest about buildings.

Martin

A bird of the swallow kind, which forms its nest about buildings.

"Arms of Martin V." — Young, 1901

Arms of Martin V

"Arms of Martin V." — Young, 1901

"The anchor is represented in the position in which it lies on the ground just before taking hold. The shank is made in one forging, is of rectangular section, having a shoulder for the stock to fit against, and is increased both in thickness and area at the crown; the arms with the palms are forged in one piece, and then bent to the required shape; one of the arms is passed through a hole in the crown and is kept in position by a bolt screwed through the end of the crown, so that its point reaches a little way into an indent made for it in the round part at the back of the arms." — Encyclopedia Britanica, 1893

Martin's Anchor

"The anchor is represented in the position in which it lies on the ground just before taking hold. The…

The European house-martin, which has an affinity for living in the vicinity of man.

European House Martin

The European house-martin, which has an affinity for living in the vicinity of man.

The Purple Martin (Progne subis) is the largest North American swallow at 20 cm length. Adults have a slightly forked tail. These "aerial acrobats" have speed and agility in flight, and when approaching their housing, will dive from the sky with their wings tucked at great speeds.

Purple Martin (Female)

The Purple Martin (Progne subis) is the largest North American swallow at 20 cm length. Adults have…

The Purple Martin (Progne subis) is the largest North American swallow at 20 cm length. Adults have a slightly forked tail. These "aerial acrobats" have speed and agility in flight, and when approaching their housing, will dive from the sky with their wings tucked at great speeds.

Purple Martin (Male)

The Purple Martin (Progne subis) is the largest North American swallow at 20 cm length. Adults have…

Martin's Massachusetts Battery C opening fire on the Confederate fortifications commanding the approaches to Yorktown, April 5th, 1862.

Massachusetts Battery

Martin's Massachusetts Battery C opening fire on the Confederate fortifications commanding the approaches…

Reynard the Fox talking with his uncle, Martin the ape, telling him that the animals' accusations of his trickery are false.

Reynard the Fox: Martin the Ape

Reynard the Fox talking with his uncle, Martin the ape, telling him that the animals' accusations of…

"St. Martin's Cross, Iona." — Chambers' Encyclopedia, 1875

St. Martin's Cross

"St. Martin's Cross, Iona." — Chambers' Encyclopedia, 1875

The bank swallow (also known as the sand martin) lives in large communities, often of several hundred individuals.

Bank Swallow

The bank swallow (also known as the sand martin) lives in large communities, often of several hundred…

The wife of Martin Van Buren, the 8th President of the United States. She died before her husband was elected in to office, and never served as First Lady.

Hannah Van Buren

The wife of Martin Van Buren, the 8th President of the United States. She died before her husband was…

Martin Van Buren, the eighth president of the United States.

Martin Van Buren

Martin Van Buren, the eighth president of the United States.