Archimedes Principle
"States that: A body when immersed in a fluid loses exactly as much of its weight as is equal to the…
Archimedies Principle
"From one end of a scale-beam, suspend a cylindrical metal bucket, b, with a solid cylinder, a, that…
The Scale of the Architects
Scales are made with different divisions for different purposes. For machine, structural and architectural…
Balance
"A representation of a common form of the delicate balances employed in physical and chemical researches.…
Chemical balance
"The most accurate method of determining the specific gravity of a mineral is by the use of a chemical…
Danish Balance
A weighing apparatus somewhat resembling the steelyard, but differing from it by having the fulcrum…
Armed Bullhead
"Noted for being completely covered in horny scales. It is common on all the coasts of Europe and Greenland."…
Caliper with Filler
When the caliper cannot be removed from a thickness, a filler can be used. The distance must be subtracted…
Transfer Caliper
The transfer caliper is provided with a false leg which is set so that the caliper may be opened and…
Drawing Converging Lines
"Draw three-inch square. Draw lines AB, BC, DE and EF at 30 degrees. Divide lower side into seven equal…
Curve in Pavement of Road
Illustration of blueprint used by highway engineers to widen the pavement on the inside of the curve…
Mediterranean Cyprus
"Cupressus sempervirens; 1. a scale of a male cone with pollen; 2. a scale of a female cone with naked…
Deflection of Wood Using Known Weights
"Place a known weight (say 100 g.) in the scale-pan, and to this weight add the weight of the clevis…
Drawing Exercise for T-square, Triangle, and Scale
"Through the center of the space draw a horizontal and a vertical line, measuring on these lines as…
Grandfather's Chair
A scene from Hawthorne's "Grandfather's Chair." A young girl is on a large scale, being weighed for…
Heliometer
"The type of instrument which resulted from Russian labors. The brass tube, strengthened at the bearing…
Holoptychius
"A fish known chiefly by scales, fossil remains of which are found in Old Red Sandstone." — Williams,…
Hydrometer
"Determines the specific gravity of any given liquid. A hollow ball, C, rises to a graduated scale while…
Steel-yard Used as a Lever
Illustration of an ordinary steel-yard being used as a lever. F represents the fulcrum. Weight P is…
Libra
"A balance, a pair of scales. The principal parts of this instrument were: 1. The beam. 2. The two scales,…
Universal Drafting Machine
The Universal Drafting Machine is used in a large drafting room. It combines the functions of T-square,…
A Young Lady's Dower in Pine Tree Shillings
A young colonial woman's dower being paid in shillings according to her weight.
Graduating Plumb and Level
The graduated plumb and level is a type of plumb bob with a scale. It is used to level horizontal or…
Hydraulic Machine Exerting Pressure
Illustration of a hydraulic machine. "A principle known as Pascal's Law states that pressure exerted…
Roach Scale Arrangement
"Arrangement of scales in the Roach (Leuciscus rutilus). L, Lateral line; t r, transverse line; a, transverse…
Scale
The scale bugs, or bark lice, are very injurious to trees: some of them are among the worst pests of…
Scale
"A common scale-beam, used for weighing, is a lever, suspended at the centre of gravity, so that the…
Scientific Scale
A system of ordered marks at fixed intervals used as a reference standard in measurement
Weighing Scale
This is a hydraulic weighing scale were the object is placed on a base and later water is filled into…
Scaling Drawing with Ruler
"This distance should be thought of not as three inches but as a foot divided into inches and eighths…
Scale-Tailed Squirrel
"A remarkable family of flying rodents of Africa; the scale-tailed squirrels."-Whitney, 1902