A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…
A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…
An image of the Egyptian brick-making process. Bricks were usually made by foreigners. Exodus 5 records…
This machine is for excavation purposes, used to make hollow by removing inner parts. Intended for creating…
"A horse- or steam-power machine for digging, moving, or transporting loose gravel, sand, or soil."…
An I-Beam girder is a load bearing beam of steel or iron. It is shaped like a capital letter I.
It has a large flat blade with a straight edge. At the back is a peen or hammer head, and in the middle…
This illustration shows a light inverted bow-string girder, as well as a section.
A machine with a large revolving drum in which cement is mixed with other materials to make concrete
"A printing frame that is well adapted to sheets not over 17 in. x 21 in. The frame is placed face downwards…
"A patented frame that can be shoved out of the window and adjusted to any angle; it is made in different…
This pile driver is powered by a horse. The horse will pull a cord that raises the weight. When the…
An illustration of a pile driver which is a machine used to drive piles into the ground which is what…
A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of…
This illustration shows a machine used to put oil on roads during its construction, in the nineteenth…
This illustration shows a machine used to put oil on roads during its construction, in the nineteenth…
This illustration shows a machine used to put oil on roads during its construction, in the nineteenth…
"An apparatus drawn by oxen or horses, and used for scraping the earth in making or repairing roads,…
"An abutment for one end of the shore, the other end of which is firmly fixed in the ground."—Finley,…
"Shows horizontal shoring while the party walls of the remaining structure are being secured."—Finley,…
"In railroad construction and canal- or road-work, a large scooping bucket armed with teeth and used…
"An apparatus for extracting spikes, as from a rail. a, rail; b, spike to be extracted; c, fulcrum-piece…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"A large nail or pin, generally of iron. The larger forms of spikes, particularly railroad spikes, are…
"Single-course pavement is usually made five inches thick. Proportions for this should be 1:2:3. Concrete…
"For two-course floors and pavements, a concrete base of about four inches thick, mixed 1:3:5 (that…
A Workers symbol sign may be used to alert road users of workers in or near the roadway.
A Workers symbol sign may be used to alert road users of workers in or near the roadway.
A Workers symbol sign may be used to alert road users of workers in or near the roadway.
A Workers symbol sign may be used to alert road users of workers in or near the roadway.