Alidade the Eascra

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Alidade
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29 May 2024
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1 Apr 2026
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An alidade (archaic forms include alhidade, alhidad, alidad) or a turning board is a device that allows one to sight a distant object and use the line of sight to perform a task. This task can be, for example, to triangulate a scale map on site using a plane table drawing of intersecting lines in the direction of the object from two or more points or to measure the angle and horizontal distance to the object from some reference point's polar measurement. Angles measured can be horizontal, vertical or in any chosen plane.
The alidade sighting ruler was originally a part of many types of scientific and astronomical instrument. At one time, some alidades, particularly using circular graduations as on astrolabes, were also called diopters. With modern technology, the name is applied to complete instruments such as the 'plane table alidade'.

About Eascra Eggs

It looks like there is some sort of orange blob inside this liquid... maybe it's... growing? Sentient? You're not sure.

About the Eascra Creature

Greetings from the laboratory! I am an Eascra, the living embodiment of scientific curiosity and discovery. Within my crystalline confines lies the essence of experimentation, a vessel for the alchemical arts and the pursuit of knowledge.

Forged in the fiery depths of the glassblower's furnace, I am a testament to the ingenuity of humankind, a fusion of silica and heat crafted with precision and care. My translucent form gleams with the promise of possibility, a blank canvas upon which the wonders of chemistry are painted with each measured pour and careful swirl.

But do not mistake me for a mere vessel of containment, for within my slender neck and bulbous belly lies a world of wonder waiting to be explored. From the bubbling cauldrons of chemical reactions to the gentle swirls of molecular mixtures, I am witness to the symphony of science unfolding before my very eyes.

With each new experiment, I am transformed, my surface etched with the scars of scientific inquiry and discovery. Yet, through it all, I remain steadfast in my purpose, a stalwart sentinel of the laboratory, guiding the hands of researchers and students alike on their quest for enlightenment.

But perhaps my greatest attribute lies not in my physical form, but in the stories I hold within my glassy embrace. From the groundbreaking discoveries of yesteryear to the humble beginnings of novice scientists, I am a vessel of memory and tradition, a witness to the ever-changing landscape of scientific progress.