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

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• Pythagorean cup100
• 819-day count85
• Ab anbar85
• Ab urbe condita85
• Abacus (architecture)85
• Abaptista85
• Abat-son85
• Abatis85
• Abecedary85
• Abjad numerals85
• Ablaq85
• Abolla85
• Abortifacient85
• Abrader85
• Abridged armilla85
• Abutment85
• Accolade (architecture)85
• Acequia85
• Acinaces85
• Acoustic jar85
• Acrolith85
• Acrostolium85
• Acroterion85
• Acta Diurna85
• Acupressure85
• Acupuncture bronze figure85
• Adarga85
• Adit85
• Adjustable mirror85
• Adufe85
• Aedicula85
• Aegean numerals85
• Aeolic order85
• Aerotonon85
• Aes grave85
• Aes rude85
• Aes signatum85
• African red slip ware85
• Afro comb85
• Agadir85
• Agateware85
• Agger85
• Agnel (coin)85
• Agnus Dei (wax)85
• Agricultural roller85
• Aguayo85
• Ahar-pyne85
• Ahlspiess85
• Ahom script85
• Ahu85
• Ailette85
• Airtight food storage85
• Aisled house85
• Ajaeng85
• Akatos85
• Akçe85
• Aklys85
• Aksu85
• Aksumite currency85
• Ala bohemica85
• Alabastron85
• Alaia board85
• Alapini vina85
• Alb85
• Albarello85
• Albarrana tower85
• Alberti cipher85
• Albion85
• Alboka85
• Album (Ancient Rome)85
• Albus85
• Alcoholic fermentation85
• Alea evangelii85
• Alemannic minuscule85
• Alembic85
• Aleppo soap85
• Alfarje85
• Alfiz85
• Alia85
• Alidade85
• Aljamiado85
• Alkaline glaze85
• Alligator drum85
• Almadraba85
• Almond milk production85
• Alms box85
• Almucantar quadrant85
• Alphabetum Kaldeorum85
• Alquerque85
• Alta85
• Altar cloth85
• Altar stone85
• Alternating fields system85
• Aludel85
• Alum85
• Amadou85
• Amalaka85
• Amalgam85
• Amalgamation85
• Amate85
• Ambo85
• Ambulacrum85
• Ambulatory85
• Amentum85
• Amice85
• Ampechone85
• Ampulla85
• Ampyx85
• Anagama kiln85
• Analemma85
• Anaphoric clock85
• Anasazi flute85
• Anathyrosis85
• Anatolian hieroglyphs85
• Anatolian rug85
• Ancestral hall85
• Ancestral Puebloan pottery85
• Ancestral tablet85
• Ancient Macedonian calendar85
• Ancient North Arabian85
• Ancient South Arabian script85
• Andiron85
• Andron85
• Anelace85
• Aneurysm needle85
• Angarium85
• Angbu ilgu85
• Angel (coin)85
• Angklung85
• Anglo-Saxon helmet85
• Anglo-Saxon runes85
• Angon85
• Angular harp85
• Animal pound85
• Ankus85
• Annealing85
• Annuity85
• Annular vault85
• Annulet85
• Anorak85
• Ansate brooch85
• Ant sutures85
• Ant-nose money85
• Antarala85
• Antariya85
• Antefix85
• Antenna sword85
• Antimension85
• Antimony (metal)85
• Antler frontlet85
• Antoninianus85
• Aoqun85
• Apadana85
• Apene85
• Apex (headwear)85
• Aphract85
• Aplustre85
• Apodesmos85
• Apodyterium85
• Apotropaic wand85
• Applique85
• Apron dress85
• Apse85
• Apulo-Corinthian helmet85
• Aqua regia85
• Aquamanile85
• Aquila85
• Arabic diacritics85
• Arachne sundial85
• Aramaic alphabet85
• Arbyle85
• Arch dam85
• Arch-gravity dam85
• Arched harp85
• Architrave85
• Archivolt85
• Arcosolium85
• Arcuballista85
• Ard85
• Ardhamandapa85
• Argenteus85
• Argive grip85
• Arm ring85
• Armarium85
• Armenian alphabet85
• Armenian calendar85
• Armenian numerals85
• Armet85
• Armill85
• Armilla85
• Arming cap85
• Arming point85
• Arrada85
• Arrastra85
• Arrow guide85
• Arrow scoop85
• Arrow-shaft wrench85
• Arsenal85
• Arsenic (prepared)85
• Arsenical bronze85
• Artemisia remedy85
• Artemon85
• Artesonado85
• Artificial flower85
• Artificial gemstone85
• Artificial respiration85
• Artillery castle85
• Aryballos85
• As (coin)85
• Asbestos cloth85
• Ash glaze85
• Asherah pole85
• Ashlar85
• Ashtadhatu85
• Ashtapada85
• Askoma85
• Askos85
• Asor85
• Aspergillum85
• Aspis85
• Assay85
• Assegai85
• Asterisk (liturgy)85
• Astrarium85
• Astrolabe quadrant85
• Astrolabic clock85
• Astronomical chess85
• Astronomical compass85
• Astronomical compendium85
• At-your-desire war cart85
• Atbash85
• Atgeir85
• Athanor85
• Atlantic roundhouse85
• Atlas (architecture)85
• Atlatl dart85
• Atrium85
• Atsumi ware85
• Attar85
• Attic base85
• Attic calendar85
• Attic helmet85
• Aucissa fibula85
• Audiencia85
• Augustalis85
• Aulaeum85
• Aulos85
• Aumbry85
• Aumoniere85
• Aurum potabile85
• Austroasiatic crossbow85
• Authepsa85
• Automaton clock85
• Aventail85
• Avestan alphabet85
• Aviary85
• Awasqa85
• Awe-inspiring fierce-fire yaksha gun85
• Awe-inspiring long-range cannon85
• Axe-money85
• Ayotl85
• Ayoyotl85
• Azekura85
• Azimuthal quadrant85
• Aztec numerals85
• Aztec writing85
• Azulejo85
• Azurite (pigment)85
• Azusa yumi85
• Babouche85
• Babylonian calendar85
• Backed bow85
• Backslopping85
• Backstitch85
• Backstrap loom85
• Bactrian alphabet85
• Bahansen85
• Bai script85
• Baidarka85
• Baidiequn85
• Baijiayi85
• Bailey85
• Bain-marie85
• Bainiaoqun85
• Baji85
• Baju kurung85
• Bak85
• Balag85
• Balance wheel85
• Balanced rudder85
• Balangay85
• Balbal85
• Balbis85
• Balinese saka calendar85
• Balinese script85
• Balinger85
• Ball court marker85
• Ball court ring85
• Ball flower85
• Ball-headed club85
• Ballcourt85
• Ballgame yoke85
• Ballot box85
• Balsa raft85
• Balteus85
• Bamboo pipeline85
• Bamboo tube well85
• Banbi85
• Band loom85
• Band weaving85
• Banded armour85
• Bandit-striking penetrating gun85
• Banna'i85
• Bannerstone85
• Banpo symbols85
• Bansuri85
• Banya85
• Baofu85
• Baptismal font85
• Baptistery85
• Baray85
• Barbacoa frame85
• Barbarian attacking cannon85
• Barbat85
• Barbe85
• Barbette85
• Barbican85
• Barbiton85
• Barbotine85
• Barbute85
• Barca85
• Bardiche85
• Bargeboard85
• Barid85
• Barilla85
• Barinel85
• Baris85
• Bark beater85
• Bark canoe85
• Barkcloth85
• Barmkin85
• Barrel cylinder85
• Barrel roof85
• Barrel vault85
• Barricade85
• Barsom85
• Bartizan85
• Barulkos85
• Bascinet85
• Baselard85
• Bashlyk85
• Bashofu85
• Basin irrigation85
• Basket boat85
• Basket capital85
• Basket-handle arch85
• Basse-taille85
• Basting85
• Bastion85
• Bastion fort85
• Batán85
• Batik85
• Bating (leather)85
• Baton de commandement85
• Battery tower85
• Battle wagon85
• Batzen85
• Bay (sighting stick)85
• Bay window85
• Baybayin85
• Bayonet mount85
• Beacon85
• Bead and reel85
• Bead-net dress85
• Beakhead85
• Beam bridge85
• Beam press85
• Bearded axe85
• Bearing sword85
• Beauty patch85
• Bec de corbin85
• Bed crossbow85
• Bee swarm bomb85
• Beehive bell85
• Beehive hut85
• Begena85
• Beitass85
• Beizi85
• Bell cuirass85
• Bell pit85
• Bell-cot85
• Bellfounding85
• Belt course85
• Belt drive85
• Belt hook85
• Belvedere85
• Bema85
• Beneventan script85
• Bengali calendar85
• Bengali script85
• Beni85
• Benkan85
• Bent entrance85
• Berber calendar85
• Bergfried85
• Berm85
• Besagew85
• Beveled rim bowl85
• Bevor85
• Bhaiksuki85
• Bhasma85
• Bi (jade)85
• Bian (iron whip)85
• Bian jian85
• Bianfu85
• Bianqing85
• Bianzhong85
• Bicos85
• Bidens85
• Bident85
• Bidriware85
• Bijia85
• Bilge pump85
• Bili85
• Bill (polearm)85
• Bill of exchange85
• Bill of lading85
• Billon85
• Bindi85
• Bintie85
• Binzasara85
• Biological pest control85
• Bipa85
• Birch bark container85
• Birch bark manuscript85
• Birch tar85
• Birch-bark roof85
• Birchbark canoe85
• Bird dart85
• Bird stone85
• Bird trap85
• Birdlime85
• Bireme85
• Biretta85
• Birlinn85
• Birrus85
• Birth brick85
• Birthing girdle85
• Bisellium85
• Bisque firing85
• Bistoury85
• Bistre85
• Bit-hilani85
• Bitless bridle85
• Bitumen mortar85
• Biwa85
• Bixi85
• Bizen ware85
• Black and red ware85
• Black pottery85
• Black-burnished ware85
• Black-figure pottery85
• Black-glazed ware85
• Black-topped red ware85
• Blackjack (leather jug)85
• Blackletter85
• Blackwork85
• Bladder pipe85
• Bladder sound85
• Blade mill85
• Blanca (coin)85
• Blessing cross85
• Bliaut85
• Blind arcade85
• Blind tooling85
• Blistering85
• Bloodletter85
• Blotting paper85
• Blue and white porcelain85
• Blue vitriol85
• Blue-painted pottery85
• Blunt arrow85
• Boar spear85
• Boar's tusk helmet85
• Boathouse85
• Boatswain's call85
• Bodkin point85
• Body oil85
• Boeotian helmet85
• Boeotian shield85
• Bofu85
• Bohemian earspoon85
• Boiled leather85
• Boita85
• Bojagi85
• Bole hill85
• Bollock dagger85
• Bolster85
• Bombarde85
• Bone armour85