Telescopes called far-eyes or Myrish eyes and observatories exist (I: 51, 136, 475. III: 779)
Galleys of two masts with sixty oars (I: 139)
Fishing sloops without oars (I: 139)
Lean warships with iron rams seem typical for the Seven Kingdoms (I: 142, II: 600)
Coal burning in iron braziers (I: 149)
Chains can be forged of bronze, copper, lead, iron, steel, tin, brass, platinum, and gold (I: 162)
Glass of varying quality (I: 240)
Chimneys (I: 333)
Lye soap (I: 478, II: 471)
Star maps (I: 615)
Dyers are skillful and are able to make many shades of colors (THK: 463)
Pewter (THK: 465)
Triple-decked warships of three hundred oars (II: 7)
Great-bellied cogs and carracks (II: 7)
Wheelbarrows (II: 60)
Longships, used by the men of the Iron Islands (II: 85)
Fat-bellied southron merchant cogs (II: 122)
Leaded windows (II: 172, 174)
Oil lamps made of iron and glass (II: 225)
Windmills (II: 247. IV: 464)
Wooden teeth for a person who has none (II: 261)
Iron braziers (II: 365)
A great war galley of four hundred oars (II: 430)
Large mirrors of beaten silver (II: 597)
Large war galleys may have scorpions on the deck above the oars and have large catapults mounted on their top decks to fore and aft (II: 599)
Cogs have forecastles (III: 86)
Trading galleys can have many oars, as many as 200 or more (III: 88)
Great cogs have no oars but they have immense holds and huge sails (III: 88)
Thick, diamond-shaped windowpanes (III: 121)
Trundle beds used by servants and squires to keep near their masters (III: 140, 141)
Red and green inks are made, at least on the eastern continent (III: 313)
Razors (III: 382)
A silver looking glass (III: 420)
Mills with waterwheels (III: 439, 440)
The wildlings have tools such as sledgehammers and long saws with teeth of bone and flint (III: 778)
Kites (TSS: 141)
A wheeled chair for an invalid (IV: 30)
A musky perfume with hints of moss, earth, and wildflowers (IV: 181)
The poleboats of the orphans of the Greenblood are low-roofed and broad-beamed, with hardly any draft to speak of. All but the poorest poleboats are brightly painted and ornately decorated (IV: 309)
Fisherfolk northwest of Maidenpool fish the waters in leather coracles (IV: 371)