$Girder.$ A main beam; a straight horizontal beam to span an opening or
carry a weight, such as the ends of floor beams.

$Glossary.$ A collection or explanation of words and passages of the
works of an author; a partial dictionary.

$Graduated.$ Cut up into steps; divided into equal parts.

$Guide stock.$ A member which is the main portion of the tool, and from
which all measurements are taken.

$Hammer beam.$ A member in a truss roof structure, at the base of the
roof proper, which consists of an inwardly projecting part, on which the
roof rests, and from which it is braced.

$Hammer-pole.$ The peon, or round end of a hammer which is used for
driving nails.

$Hemispherical.$ Pertaining to a half globe or sphere.

$Horizontal.$ On the level; at right angles to a line which points to
the center of the earth.

$Incorporated.$ United in one body.

$Index pin.$ A small movable member which is designed to limit the
movement of the operative part of a machine.

$Initial.$ To make a beginning with; the first of a series of acts or
things.

$Insulate.$ To place in a detached position; to separate from.

$Interchangeable.$ One for the other.

$Interval.$ A space between things; a void space; between two objects.

$Interest.$ To engage the attention of; to awaken or attract attention.

$Interlocking jaw.$ Two or more parts of a piece of mechanism in which
the said parts pass each other in their motions.

$Intersection.$ The point or line in which one line or surface cuts
another.

$Intervening.$ The portion between.

$Inverted.$ Turned over; to put upside down.

$Joggle-joint.$ A form of connection which has struts attached to a
pendant post.

$Joinery.$ The art or trade of joining wood.

$Kerf.$ A notch, channel or slit made in any material by cutting or
sawing.

$Kit.$ A working outfit; a collection of tools or implements.

$Level.$ A tool designed to indicate horizontal or vertical surfaces.

$Liberal.$ Not narrow or contracted.

$Lobe.$ Any projection, especially of a rounded form; the projecting
part of a cam-wheel.

$Longitudinal.$ In the direction of the length; running lengthwise.

$Lubrication.$ The system of affording oiling means to a machine or to
any article.

$Mandrel.$ The live spindle of a lathe; the revolving arbor of a
circular saw.

$Mansard.$ A type of roof structure with two pitches, one, the lower,
being very steep, and the other very flat pitch.

$Manual.$ Of or p