White celluloid and clear sliding 'bridge', black printing. Various units and scales. In a clear celluloid case with elongated end for easy removal and safe storage. Used for engineering calculations. Faber Castell Made in Germany faber castell, slide rule, engineering calculations, germany, german slide rule

The Forests Commission had a large engineering branch that assisted districts with road construction works This scale model (with engineering calculations) was used to assist in the design and construction of commonly used timber bridges This model comes from Orbost Last remaining model known. Most crossings are now either concrete culverts or steel and concrete bridge spansModel timber bridge showing elements 1:50 scale for 10 metre spanforests commission victoria (fcv), road and bridge construction, engineering

A slide rule is an instrument which is used to carry out mathematical calculations. William Oughtred is credited with its invention in 1621, however many others including Isaac Newton have made improvements or modifications over the years. From 1625 to 1800 there were approximately 40 different styles brought forward. with the following 100 years sees over 250 designs created.There have been different versions and modifications to suit scientific, mathematical and engineering requirements. It is interesting to note that many of the buildings of the 19th and 20th centuries have been designed with the use of slide rules. Their use has declined in the last 25-30 years with the advent of computers and specialist calculators.While not directly linked in any way to the history of Warrnambool, this slide rule would have been a item in use by students doing maths at upper secondary level as well as other applications which would make it a familiar object to many people.Coated bamboo with sliding metal framed glass panel or cursor . The bamboo is in three sections with the middle section movable. It is marked in various graduated measurements mainly in dark blue but with some in green and red.It is inside a dark grey rectangular box with a slide off lid on one end.There is a celluloid panel on the back with a conversion table printed on it. There is an accompanying 67 page manual with a pale green cover with black text. On slide rule:Sun Hemmi Japan No 2664S On box: Sun Hemmi Japan No 2664S warrnambool, hemmi slide rule, bamboo slide rule

.2) Timetable book of the Ballarat School of Mines, associated with H.H. Smith, and student fees.ballarat school of mines, trades, h.h.smith, sheet metalwork, plumbing, gasfitting, carpentry, joinery, cabinet making, manuel training, photography, architecture, engineering drawing, dressmaking, assaying, chemistry, electricty and magnetism, fitting and turning, electrical calculations, geology, geometrical drawing, hydraulics, applied mechanics, mining geology, metallurgy, mineralogy, printing, physics, petrology, surveying, steam and gas engineers, turning and fitting, trigonometry, telegraphy, telephone fitters, woolclassing

The logarithmic slide rule is a compact device for rapidly performing calculations with limited accuracy. The slide rule remained an essential tool in science and engineering and was widely used in business and industry until it was superseded by the portable electronic calculator late in the 20th century. Slide rule in a green case. On the back a small plaque: "Q.C. Binks-BSM 1939-1941. Q.C. Binks-BSM 1939-1941engineering, slide rule, logarithmic slide rule

Mr Catterall, Joe & Mr L.J. Romey were partners in a cyaniding operation to obtain gold from the Southern Consuls Mine after second world war.Booklet printed in black on paper. Cover has some areas highlighted in blue. Back cover missing.Some pages have penciled mathematical calculationsgold mining, mining, mining industry, mining equipment

School of Mines Ballarat is predecessor of Federation University Foolscap sized list of Subjects from Ballarat School of Mines with handwritten names.8S3S in large writng on the back school of mines ballarat, practical chemistry, mr. walker, theoretical chemistry, theoretical agricultural chemistry, practical agricultural chemistry, technical chemistry, metallurgy, alfred mica smith, metallurgical calculations, metallurgy of gold and ore dressing, assaying practical, assaying dry, mr. murphy, ore dressing practical, mining, mining geology, mineralogy, geology, petrology, botany, applied mechanics, mr hart, mine surveying, land surveying, steam and gas engines, mr gilchrist, elementry electricity & magnetism, electrical technology, mr sutherland, turning and fitting, mr connon, engineering drawing, mr kerr, geometry, algebra, trigonometry, physics, conics, calculus, mr whitington, building construction, plane and solid geometry, plumbing grade, mr hall, mr mullins, carpentry, wool classing, materia medica, mr gutheil, technical arithmatic, mr hutchison, telegraphy, mr williams, sloyd, mr slater, photography, mr campbell, manual training, cyanide, mr deane, mr brittain, mr martell, english, astronomy, list of subjects

The Fuller cylindrical slide rule, is a cylindrical slide rule with a helical main scale taking 50 turns around the cylinder. This creates an instrument of considerable precision – it is equivalent to a traditional slide rule 25.40 metres (1,000 inches) long. It was invented in 1878 by George Fuller, professor of engineering at Queen's University Belfast, and despite its size and price it remained on the market for nearly a century because it outperformed nearly all other slide rules. He patented it in Britain in 1878, described it in a journal in 1879 and in that year he also patented it the United States, depositing a patent model. As with other slide rules, the Fuller is limited to calculations based on multiplication and division with additional scales allowing for trigonometrical and exponential functions. The mechanical calculators produced in the same era were generally restricted to addition and subtraction with only advanced versions, like the Arithmometer, able to multiply and divide. Even these advanced machines could not perform trigonometry or exponentiation and they were bigger, heavier and much more expensive than the Fuller. In the mid-twentieth century the handheld Curta mechanical calculator became available which also competed in convenience and price. However, for scientific calculations the Fuller remained viable until 1973 when it was made obsolete by the HP-35 handheld scientific electronic calculator. Fuller's calculators were manufactured by the scientific instrument maker W.F. Stanley & Co. of London who made nearly 14,000 between 1878 and 1973.Like all slide rules, logarithmic scales are used to facilitate calculations more quickly and efficiently. The spiral logarithmic scale greatly increases the precision and computing power of the slide rule. In addition, its tables provide useful information to its users, most likely engineers. Its remarkable length permitted a high level of precision in calculations; calculations could be made to 4 or 5 significant digitsThe fuller calculator, is a cylindrical slide rule with a helical main scale taking 50 turns around the cylinder. There is a papier-mache cylinder fastened to a mahogany handle. A second papier-mache cylinder is a slide fit over the first. Both cylinders are covered in paper varnished with shellac. A brass pointer with an engraved index marker at its tip is attached to the handle and a second brass pointer is attached to the top cap. On the outer cylinder is a helical logarithmic scale 500" (41'8" or about 12.5 m) in length. This cylinder can be slid and rotated upon the inner one and hence with the correct sequence of movements, multiplications and divisions can be made and the answers read off the two pointers which project over the cylindrical scale.FULLER CALCULATOR inscribed on brass pointerscientific instrument, mathematics, calculating