הכלים עצמם באנגלית.
לטינית
פתיחהembater
Read Vitruvius in Latin, hold a temple count fixed and change its proportions. Compare uncertain plans, roofs and a measured Erechtheion doorway; keep illustrated readings with complete sources.
פתיחהdioptra
Calibrate Hero’s distance counter by trial: keep its pointers and change the distance scale. Compare Frontinus’s Latin pipe names, circular openings and relative delivery; also measure water supply and tunnel routes.
פתיחהgonia
Draw an Ionic scroll with twelve compass centres. Test why meeting the eye does not make a tangent, read Vitruvius’s Latin, and inspect the printed guide and surviving stone. Explore fourteen more architectural experiments.
פתיחהtraditio
Change a fact in Gaius's Roman ownership cases, follow possession and civil title, and build a counterexample supported by the Latin and complete source pages.
יוונית
פתיחהnautikon
Read an Athenian sea-loan agreement in Greek. Test a debt against missing voyage evidence, keep the facts behind a claim, and compare the transmitted cargo reports.
פתיחהpsephos
Exchange who attends, move juror tickets and cast a concealed Athenian vote. Inspect exact chances, unequal count-pattern weights and what a total can reveal; read the Greek beside full printed witnesses.
פתיחהharmoniai
Compare the pitch of one named Greek string across stated tuning models, hear Greek and modern Dorian from the same starting note, and explore Bharata’s two-vīṇā demonstration.
פתיחהpnigeus
Read Hero’s Greek beside the source page. Compare a water-organ hemisphere, cylinder and cone; explore pressure, air reserve, pumping and Vitruvius’s Latin.
פתיחהpyknon
Translate Greek musical signs without changing the notes. Compare two alphabets and two table functions; hear ancient musical arguments through explicit modern models and read their printed evidence.
פתיחהzygon
Operate Archimedes’ balances, finite parabola bounds and floating bodies. Read the Greek and Latin conditions beside complete manuscript and printed sources.
פתיחהsyngraphe
Read a Greek storehouse programme through measured drawings and moving sightlines. Test inclusive dimensions, exceptional segments and chests with different opening faces beside whole printed pages.
פתיחהhoros
Build Aristotle's counterexamples and test Sextus's disputed ‘if’. Change facts, expose assumptions, read Greek beside complete source pages, and keep the reasoning in a portable illustrated notebook.
פתיחהstoicheia
Double a polygon’s sides, then change one root estimate: does Archimedes’ circle bound still have a proof? Read the Greek and Latin, inspect ten original pages and save the complete illustrated argument.
מצרית תיכונה
פתיחהseked
Dissect a square frustum into nine pieces; keep the Moscow papyrus calculation separate from the modern proof. Read six Rhind slope exercises, compare face and corner sections, and inspect the printed sources.
סנסקריט
פתיחהrajju
Place Āpastamba’s four corner pegs with marked cords. Separate the grip from the stake, compare four procedures, and read Sanskrit beside original pages; explore circle and diagonal rules too.
פתיחהgrama
Change the starting note, then lower Pa in the Nāṭyaśāstra’s two grāmas. Separate twenty-two counted intervals from assumed pitches; hear both models and read Sanskrit beside complete printed evidence.
סינית קלאסית
פתיחהhaidao
Test Liu Hui’s sea-island recipe against two sightings, read Classical Chinese, and compare independent errors with shared additive offsets.
פתיחהshiguzhai
Keep Chinese bell measurements separate from modern key labels. Cross exact reference boundaries in Shiguzhai, then explore Piao-shi bending patterns and a maker’s Chinese proportions.
גותית
פתיחהakzent
Risk an accent rule on Gothic and Sanskrit, keep the comparisons that resist it, then ask which older accents the fictional consonants can actually determine. Read Verner’s German beside complete source pages.
אכדית
פתיחהsammu
Follow an Old Babylonian retuning procedure on nine strings. Retune by ear with isolated partials, hear overtones, learn Akkadian terms, and keep exact pitch histories from a Mesopotamian model.
לכולם
פתיחהhorologium
Explore 13 calendars, ancient planets checked against DE441, and local sunrise and sunset; marginal polar events stay unresolved.
פתיחהgnomon
Design horizontal, wall, equatorial and analemmatic sundials; preview either equatorial face and print a full-scale kit with a shared mirrored cut.
פתיחהplanisphere
Build a printable star wheel for either hemisphere, check southern sky orientation, and compare stellar epochs from 3000 BCE to 3000 CE.