Name an invention that existed before 1500 (no food or drinks).

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• Cowroid85
• Crab claw sail85
• Crackle glaze85
• Cradleboard85
• Cramp ring85
• Crampon85
• Cranequin85
• Cranioclast85
• Crannog85
• Crayer85
• Credence table85
• Credenza85
• Crepida85
• Crescent-pommel sword85
• Crespine85
• Cresset85
• Creswell point85
• Cretan hieroglyphs85
• Crewel embroidery85
• Crinet85
• Cristallo85
• Crocket85
• Cropping shears85
• Cross-in-square85
• Cross-knit looping85
• Cross-peen hammer85
• Cross-wall85
• Cross-window85
• Cross-wing85
• Crossbow bolt85
• Crossbow fibula85
• Crossbow windlass85
• Crosscut saw85
• Crossed-arch dome85
• Crossing tower85
• Crotal bell85
• Crouching tiger cannon85
• Croupiere85
• Crow-stepped gable85
• Crown gear85
• Crown glass85
• Crown post85
• Crozier85
• Crucible steel85
• Cruciform brooch85
• Cruciform plan85
• Cruck frame85
• Cruet85
• Crumhorn85
• Crupper85
• Cruzado85
• Crwth85
• Crypt85
• Cryptoporticus85
• Crystal ball85
• Crystallization85
• Cuacalalatli85
• Cuauhxicalli85
• Cubit rod85
• Cucking stool85
• Cucullus85
• Cucurbit85
• Cudon85
• Cueitl85
• Cuerda seca85
• Cuir de Cordoue85
• Cuirass85
• Cuisse85
• Culet85
• Cultured pearl85
• Culverin85
• Culvert85
• Cumberland point85
• Cumbi85
• Cuniculus85
• Cupel85
• Cupellation85
• Cupola furnace85
• Cupping glass85
• Cupronickel85
• Cups and balls85
• Cupstone85
• Curb bit85
• Curd stretching85
• Curdling85
• Curette85
• Currach85
• Currency bar85
• Curse tablet85
• Cursive script (East Asia)85
• Cursus85
• Curtain arch85
• Curtain wall85
• Curule chair85
• Curved-shaft plough85
• Cut glass85
• Cutch85
• Cutwater85
• Cybaea85
• Cycladic frying pan85
• Cyclas85
• Cyclopean masonry85
• Cylinder glass85
• Cylinder seal85
• Cymatium85
• Cymba85
• Cypriot syllabary85
• Cypro-Minoan syllabary85
• Cyrillic alphabet85
• Dabbaba85
• Dado (architecture)85
• Daegeum85
• Daejaeng85
• Daf85
• Dagger-axe85
• Dahabeah85
• Dai shogi85
• Dalca85
• Dallyeong85
• Dalmatic85
• Dalton point85
• Damao85
• Damaru85
• Damascening85
• Damask85
• Daming calendar85
• Damp-proof course85
• Dan day85
• Danake85
• Dangjeok85
• Dansker85
• Dao85
• Daopao85
• Dapho85
• Daric85
• Darning85
• Dasapada85
• Daseian notation85
• Dashan xiapei85
• Date palm pollination85
• Daxiushan85
• Dayan calendar85
• Dayereh85
• Dead reckoning85
• Deadfall trap85
• Deben (unit)85
• Debittering85
• Decade ring85
• Decempeda85
• Deceres85
• Decimal fractions85
• Decimal system85
• Deck (ship)85
• Declination table85
• Decoction85
• Decoy85
• Deel85
• Deer leap85
• Deer stone85
• Dehusking85
• Demolition crane85
• Demotic85
• Denarius85
• Denga85
• Dental amalgam85
• Dental inlay85
• Dental scaler85
• Dental scaling85
• Dental wire85
• Denticulate85
• Dentiducum85
• Dentil85
• Depas amphikypellon85
• Depilatory85
• Depletion gilding85
• Derrick85
• Descensory85
• Deula85
• Devanagari85
• Dhenki85
• Dhives Akuru85
• Dhoni85
• Dhoti85
• Dhvaja85
• Di guan85
• Diabathron85
• Diacodium85
• Diacritics (Arabic)85
• Diadem85
• Diamond cutting85
• Diamond drill85
• Diamond twill85
• Diamond vault85
• Diaochan guan85
• Diaphragm arch85
• Dibao85
• Dice chess85
• Dice cup85
• Dice tower85
• Dichroic glass85
• Differential hardening85
• Dikka85
• Dilly bag85
• Dinar85
• Dinara85
• Ding85
• Ding ware85
• Dinos85
• Diocletian window85
• Dioptra85
• Dip net85
• Diphthera85
• Diplax85
• Diptych85
• Dipylon shield85
• Dirham85
• Discontinuous warp and weft85
• Dissector85
• Distaff85
• Distemper (paint)85
• Ditch-filling tortoise85
• Diversion dam85
• Divination liver model85
• Divine arm bow85
• Divine fire flying crow85
• Diving goggles85
• Diving weight85
• Dizi85
• Djed amulet85
• Djembe85
• Do-maru85
• Dobla85
• Dogu85
• Dolabra85
• Dolium85
• Dolmen85
• Doloire85
• Dolphin (naval weapon)85
• Domical vault85
• Dong Son drum85
• Dongpo jin85
• Dord85
• Doric order85
• Dormer85
• Dory (spear)85
• Dosseret85
• Dotaku85
• Dotted i85
• Dou85
• Double adze85
• Double bell85
• Double boiling85
• Double clarinet85
• Double cloth85
• Double dome85
• Double flute85
• Double heddle loom85
• Double pipes85
• Double recorder85
• Double slipway85
• Double-bay system85
• Double-concentric siphon85
• Double-hulled canoe85
• Double-seat valve85
• Double-shell dome85
• Doublet85
• Doublets85
• Doucai85
• Douçaine85
• Dough rolling85
• Dougong85
• Doujian85
• Doukatopoulon85
• Dovecote85
• Dovetail clamp85
• Dovetail joint85
• Drachma85
• Draco (dragon standard)85
• Dragon boat85
• Dragon kiln85
• Dragon robe85
• Dragon ship85
• Drapi85
• Draught pole85
• Draw knife85
• Draw plate85
• Drawbar85
• Drawloom85
• Dray85
• Dream dictionary85
• Dreiling (coin)85
• Drive shaft85
• Dromon85
• Dromos85
• Droop cup85
• Drop shaft85
• Dropping from heaven bomb85
• Drum (architecture)85
• Drum machine85
• Dry dock85
• Dry lacquer85
• Dry packing85
• Dry stone wall85
• Dry wound healing85
• Drypoint85
• Drypoint ruling85
• Duckbill shoe85
• Duduk85
• Duho85
• Dui85
• Dulce melos85
• Dun85
• Duodecim scripta85
• Dupatta85
• Dupondius85
• Dutar85
• Dwale85
• Dwarf gallery85
• Dzong85
• E-Group85
• Ear dagger85
• Ear syringe85
• Earth and timber castle85
• Earth lodge85
• Earthenware85
• Earthwork85
• Eating knife85
• Eboshi85
• Eccentric flint85
• Ecclesiastical ring85
• Echinus85
• Echizen ware85
• Eclipse table85
• Ecranche85
• Écu85
• Edge mill85
• Effigy mound85
• Egg washing85
• Egyptian blue85
• Egyptian calendar85
• Egyptian green85
• Egyptian numerals85
• Ehuatl85
• Eka-tantri veena85
• Ekkyklema85
• Ekphonetic notation85
• Elamite cuneiform85
• Electroless plating85
• Electuary85
• Elephant armour85
• Elephant tower85
• Elevated entrance85
• Elipao85
• Elixir85
• Ell85
• Elymaic script85
• Elymos85
• Ema85
• Embankment dam85
• Embas85
• Emblema85
• Embrasure85
• Embroidery frame85
• Embryotomy85
• Emetic85
• Emissarium85
• Emulsifying85
• Enamel85
• Enamelled glass85
• Encaustic painting85
• Encaustic tile85
• Enceinte85
• Enclosed helmet85
• Enclosure castle85
• Encolpion85
• Endromis85
• Engaged column85
• Engawa85
• Engraved gem85
• Enneres85
• Entablature85
• Entasis85
• Eo85
• Ependytes85
• Ephaptis85
• Ephemeris85
• Ephod85
• Epiblema85
• Epichysis85
• Epicyclic gearing85
• Epigonation85
• Epigonion85
• Epigraphic ware85
• Epilorikion85
• Epinetron85
• Epitaphios85
• Eponym list85
• Epsilon axe85
• Equal-arm brooch85
• Equatorial ring85
• Equatorium85
• Eri silk85
• Ernestite drill85
• Eruptor85
• Escapement85
• Escoffion85
• Espadrille85
• Espalier85
• Estoc85
• Etched carnelian beads85
• Ethiopian calendar85
• Ethiopian cross85
• Etruscan alphabet85
• Etruscan numerals85
• Eulogia token85
• Eunbyeong85
• Eunjangdo85
• Euthynteria85
• Euthytonon85
• Exagium85
• Excelente85
• Excerebration hook85
• Exedra85
• Exomis85
• Exostra85
• Exploding shell85
• Eyebrow pigment85
• Ezor85
• Face mask (armour)85
• Faering85
• Fahua85
• Faience85
• Fail-safe system85
• Fakkham script85
• Falarica85
• Falcata85
• Falchion85
• Falconet85
• Falconry block perch85
• Falconry glove85
• Falconry hood85
• Falconry lure85
• Faldstool85
• Fallow85
• Fals85
• False beard85
• False door85
• Falx85
• Falx navalis85
• Fan vault85
• Fanam85
• Fangtian ji85
• Fangxiang85
• Fangyi85
• Farthing85
• Farthingale85
• Fasces85
• Fascinus85
• Fasti85
• Fauces85
• Fauchard85
• Fauld85
• Fayles85
• Feather headdress85
• Featherwork85
• Fede ring85
• Feldspathic glaze85
• Felting bow85
• Feretory85
• Ferronnière85
• Fidchell85
• Field system85
• Fife85
• Fighting platform85
• Fighting ring85
• Fighting top85
• Figure-of-eight shield85
• Figurehead85
• Figurine85
• Filet lace85
• Filigree85
• Fine Orange ware85
• Finery forge85
• Finger counting85
• Finger cymbals85
• Finger tab85
• Fingerhole horn85
• Fingerloop braid85
• Finial85
• Fining85
• Fire altar85
• Fire ball85
• Fire brick (bomb)85
• Fire carrier85
• Fire crow85
• Fire hardening85
• Fire hook85
• Fire lance shield85
• Fire piston85
• Fire plough85