"A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support the body of a vehicle, or, when of lighter build and supporting a light platform or seat, in the sport of coasting and for drawing light loads by hand. A, bob-sled, composed of two short sleds a, a1 connected by a perch b, which is attached to the sled a1 by a king bolt c, on which the sled a1 turns freely, thereby enabling it to be turned around in a space a little wider than its own length: the box or body of the sled, when one is used, is supported on the bolsters d, d1." —Whitney, 1889

Bobsled - Side View

"A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support…

"If the conducting wire is bent into the form shown, the lines of force will pas around the wire from one face of the loop to the other, and in the direction indicated by the 'rule of thumb' just given." -Avery 1895

Magnetic Field Around a Current Carrying Wire

"If the conducting wire is bent into the form shown, the lines of force will pas around the wire from…

An illustration of a street in a village in Madagascar. Member of the village are standing in the street. Four members of the village are carrying two people on their shoulders.

Madagascar Village

An illustration of a street in a village in Madagascar. Member of the village are standing in the street.…

A sack is a bag, especially a large one for carrying or storing goods.

Sacks

A sack is a bag, especially a large one for carrying or storing goods.

"1. A drag or dray without wheels, but mounted on runners, for the conveyance of loads over frozen snow or ice, or over mud or the bare ground, as in transporting logs and heavy stones. Also sledge. 2. A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support the body of a vehicle, or, when of lighter build and supporting a light platform or seat, in the sport of coasting and for drawing light loads by hand." —Whitney, 1889
<p>Illustration of a hand sled with a platform atop it and a rope with which to be pulled by a human or animal. Traditionally, these are not meant to be ridden, but used to convey materials.

Hand Sled or Sledge

"1. A drag or dray without wheels, but mounted on runners, for the conveyance of loads over frozen snow…

"A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support the body of a vehicle, or, when of lighter build and supporting a light platform or seat, in the sport of coasting and for drawing light loads by hand." &mdash;Whitney, 1889
<p>This illustration is of a hand sled. Unlike bobsleds, these sleds are not meant to be ridden. Instead, they are pulled by a person or animal, using the rope. The sleds transport materials.

Hand Sled

"A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support…