Proportional Collection

Motor homunculus model. Parts of the body are sized according to how much space the brain gives to controlling the movement of that part of the body

Motor and sensory homunculi
Sensory and motor homunculi. Computer artwork of a motor homunculus (left) and a sensory homunculus (right). Parts of the body are sized according to how much space the brain gives to processing

Illustration of Hookes Law on elasticity of materials, showing stretching of a spring. Robert Hooke (1635-1703), English scientist and inventor, formulated his law in 1676

Facsimile of the traditional old Northumbrian round Sumer is icumen in'. Mid-13th century (English manuscript)
528011 Facsimile of the traditional old Northumbrian round Sumer is icumen in'. Mid-13th century (English manuscript); (add.info.: Written using Staff and proportional notation)

Ideal proportions revealed to be based on the human body
STC255923 Ideal proportions revealed to be based on the human body, from De Architectura Libri Dece traducti de latino in Vulgare affigurati, by Marcus Vitruvius Pollio

Leonard Henry Courtney - Radical British Politician
U=Nivocal. Leonard Henry Courtney (1832-1913) - Radical British Politician and exponent of Proportional Representation and Critic of Imperial Expansion. Date: 1900

Sensory homunculus C017 / 6826
Model of a sensory homunculus. Parts of the body are sized according to how much space the brain gives to processing sensory information about that part of the body

Evangelista Torricellis (1608-1647) demonstration 1643. It showed that the height of a column of liquid is governed by atmospheric pressure

Facsimile of the traditional old Northumbrian round Sumer is icumen in. Written using Staff and proportional notation. An advance on Neums notation and a precursor of the notation we use today

Watts governor on a steam engine. Photographed in Torre del Mar, Spain

Mathematical compasses, 1624 diagram
Mathematical compasses. 17th Century diagram showing the use of mathematical proportional compasses. Published in Usage du compas de proportion by Denis Henrion (1624)

Newtons colour disc. Image 1 of 2. This piece of apparatus is used to demonstrate colour mixing. The disc is spun and, if the speed of rotation is fast enough

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"Exploring the Concept of Proportional: From Motor Homunculus to Newton's Color Disc" The motor homunculus model, a representation of the human body's motor functions, reveals the proportional allocation of brain space for different body parts. Delving deeper into sensory perception, the motor and sensory homunculi demonstrate how our senses are also proportionally distributed throughout our bodies. Hookes Law on elasticity showcases proportional stretching in materials through an illustration depicting a spring being stretched to its limit. Surprisingly, ideal proportions in art and design have been revealed to be based on the harmonious dimensions found within the human body itself. Leonard Henry Courtney, a radical British politician, advocated for proportional representation in government as a means to ensure fair democratic processes. Sensory homunculus C017/6826 provides insight into how our brains allocate processing power proportionally according to different sensory inputs we receive. Evangelista Torricelli's groundbreaking 1643 demonstration unveiled that atmospheric pressure decreases with height – revealing yet another example relationships in nature. A facsimile of the traditional old Northumbrian round "Sumer is icumen in" exemplifies how music composition can adhere to proportional structures and harmonic principles. The Watts governor on a steam engine demonstrates how mechanical systems utilize feedback loops and control mechanisms based on proportional response for stable operation. Mathematical compasses from 1624 diagram highlight their use in creating precise geometric shapes by maintaining consistent proportions between various points or lines. 11 & 12: Newton's color disc revolutionized our understanding of light and color by demonstrating that white light could be broken down into its constituent colors through spinning discs with proportionally sized segments.