Phase 19 — Roads, bridges, flyovers and tall buildings / About year 55
19.02
Materials testing and structural calculation
every steel and concrete is pulled, crushed and bent until it breaks, and every beam is sized by sums before it is made
AWhat it needs
Needs 200 other products in all, 4 of them directly.
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- 19.02 Materials testing and structural calculationKnowledge Year 55 needs 200 products
- 12.09 Measuring toolsMaking Year 31 needs 159 products
- 07.01 Standard measure of lengthKnowledge Year 4 needs 73 products
- 05.09 BronzeMaking Year 2 needs 45 products
- 04.24 CruciblesMaking Year 2 needs 24 products
- 04.09 Updraft kilnMaking Year 1 needs 21 products
- 04.02 Clay pit and prepared clayMaking Year 1 needs 16 products
- 02.17 BasketsMaking Year 1 needs 4 products
- 02.03 Stone knives, scrapers and engraving pointsMaking Year 1 needs 3 products
- 02.01 Knapping kitMaking Year 1 needs 2 products
- 01.02 HammerstoneMaking Year 1 raw materials only
- 01.03 Sharp stone flakeMaking Year 1 needs 1 product
- 02.25 Antler pick, bone shovel and stone hoeMaking Year 1 needs 14 products
- 02.06 Sinew thread and rawhide lashingMaking Year 1 needs 9 products
- 01.15 Fire-hardened spear ⚠Making Year 1 needs 6 products
- 01.03 Sharp stone flakeshown above ↑← shown at left
- 01.08 First fire and stone hearthMaking Year 1 needs 5 products
- 01.06 Tinder and kindling storeMaking Year 1 raw materials only
- 01.07 Bow-drill fire setMaking Year 1 needs 3 products
- 01.03 Sharp stone flakeshown above ↑← shown at left
- 01.05 Twisted plant-fibre cordMaking Year 1 needs 2 products
- 02.03 Stone knives, scrapers and engraving pointsshown above ↑← shown at left
- 02.08 Hafted stone axe ⚠Making Year 1 needs 13 products
- 02.05 Pitch glueMaking Year 1 needs 6 products
- 02.06 Sinew thread and rawhide lashingshown above ↑← shown at left
- 02.07 Ground stone axe headMaking Year 1 needs 2 products
- 01.02 Hammerstoneshown above ↑← shown at left
- 02.04 Sandstone grinding slabMaking Year 1 needs 1 product
- 04.04 Pit-fired potteryMaking Year 1 needs 18 products
- 01.08 First fire and stone hearthshown above ↑← shown at left
- 04.03 Hand-built potsMaking Year 1 needs 17 products
- 04.08 Sun-dried mud bricksMaking Year 1 needs 18 products
- 02.10 Wooden wedges and maulMaking Year 1 needs 14 products
- 04.02 Clay pit and prepared clayshown above ↑← shown at left
- 04.22 Refractory clay mixMaking Year 2 needs 23 products
- 05.05 Smelted copperMaking Year 2 needs 42 products
- 04.24 Cruciblesshown above ↑← shown at left
- 04.27 Forced-air charcoal furnaceMaking Year 2 needs 31 products
- 04.07 Charcoal clampMaking Year 1 needs 16 products
- 04.25 Clay air nozzles (tuyeres)Making Year 2 needs 24 products
- 04.26 Bag bellowsMaking Year 2 needs 14 products
- 02.15 Scraped, brain-tanned and smoked hidesCloth Year 1 needs 8 products
- 02.16 Sewn hide clothing, shoes, bags and water skinsCloth Year 1 needs 13 products
- 05.04 Ore dressing floorMaking Year 2 needs 24 products
- 01.02 Hammerstoneshown above ↑← shown at left
- 02.24 Carved wooden bowls and troughsMaking Year 1 needs 14 products
- 05.03 Fire-set open-cut mine ⚠Making Year 2 needs 22 products
- 01.08 First fire and stone hearthshown above ↑← shown at left
- 02.12 Lever, log rollers and sledgeMaking Year 1 needs 15 products
- 02.08 Hafted stone axeshown above ↑← shown at left
- 02.11 Three-strand ropeMaking Year 1 needs 3 products
- 02.25 Antler pick, bone shovel and stone hoeshown above ↑← shown at left
- 05.01 Ore sample collection and simple testsMaking Year 2 needs 20 products
- 02.25 Antler pick, bone shovel and stone hoeshown above ↑← shown at left
- 02.28 Resource map of the islandKnowledge Year 1 needs 18 products
- 02.15 Scraped, brain-tanned and smoked hidesshown above ↑← shown at left
- 02.26 Dugout canoe and paddles ⚠Making Year 1 needs 16 products
- 05.07 Beam balance and weightsMaking Year 2 needs 23 products
- 05.08 Smelted tinMaking Year 2 needs 41 products
- 06.14 Files and raspsMaking Year 4 needs 72 products
- 06.09 Smith's tool setMaking Year 4 needs 61 products
- 06.07 Iron hammers, tongs and anvilMaking Year 3 needs 60 products
- 06.05 Wrought iron barMaking Year 3 needs 57 products
- 05.12 Bronze hammers and anvil blockMaking Year 2 needs 47 products
- 05.13 Bronze tongs and crucible liftersMaking Year 2 needs 48 products
- 06.04 Iron bloomMaking Year 3 needs 55 products
- 04.07 Charcoal clampshown above ↑← shown at left
- 06.02 Mined and roasted iron oreMaking Year 3 needs 48 products
- 06.03 Bloomery furnaceMaking Year 3 needs 52 products
- 04.22 Refractory clay mixshown above ↑← shown at left
- 04.25 Clay air nozzles (tuyeres)shown above ↑← shown at left
- 06.01 Double board bellows with flap valvesMaking Year 3 needs 51 products
- 02.15 Scraped, brain-tanned and smoked hidesshown above ↑← shown at left
- 05.15 Bronze sawMaking Year 3 needs 49 products
- 05.21 Bronze needles, pins, hooks, nails and rivetsMaking Year 3 needs 49 products
- 06.06 Smith's forgeMaking Year 3 needs 53 products
- 06.11 Shear steelMaking Year 4 needs 63 products
- 06.08 Forge weldingMaking Year 3 needs 61 products
- 06.10 Blister steelMaking Year 4 needs 58 products
- 06.12 Hardening and temperingMaking Year 4 needs 70 products
- 03.10 Rendered tallow and lardMaking Year 1 needs 21 products
- 01.14 Hot-stone boiling pitHome Year 1 needs 9 products
- 01.04 Digging stickMaking Year 1 needs 2 products
- 01.08 First fire and stone hearthshown above ↑← shown at left
- 01.12 Bamboo cups and water tubesMaking Year 1 needs 2 products
- 01.13 Split-stick tongsMaking Year 1 needs 3 products
- 02.21 Bow and arrows ⚠Food Year 1 needs 14 products
- 02.24 Carved wooden bowls and troughsshown above ↑← shown at left
- 06.06 Smith's forgeshown above ↑← shown at left
- 06.11 Shear steelshown above ↑← shown at left
- 10.25 BrassMaking Year 25 needs 43 products
- 12.05 Screw-cutting lathe with change gearsMaking Year 31 needs 157 products
- 10.13 Cast iron gears, shafts and machine framesMaking Year 22 needs 144 products
- 09.04 Wooden gearsMaking Year 15 needs 84 products
- 07.03 Layout toolsKnowledge Year 4 needs 75 products
- 07.17 Framed joineryMaking Year 6 needs 82 products
- 06.16 Augers, drill bits and braceMaking Year 4 needs 73 products
- 07.03 Layout toolsshown above ↑← shown at left
- 07.14 Timber seasoning stacksMaking Year 5 needs 75 products
- 07.13 Saw pit and sawn planksMaking Year 5 needs 74 products
- 07.15 Carpenter's bench, planes, drawknife, spokeshave and malletsMaking Year 5 needs 76 products
- 07.16 Hide glueMaking Year 5 needs 24 products
- 07.18 Pole latheMaking Year 6 needs 83 products
- 10.12 Iron castingsMaking Year 22 needs 143 products
- 10.10 Sand moulding with wooden patternsMaking Year 22 needs 84 products
- 10.11 Cupola remelting furnaceMaking Year 22 needs 141 products
- 10.02 FirebrickMaking Year 20 needs 24 products
- 10.07 Water-powered piston blowerMaking Year 21 needs 106 products
- 07.21 Barrels, buckets and tubsMaking Year 6 needs 78 products
- 09.06 Overshot water wheelMaking Year 15 needs 101 products
- 09.01 Weir, mill pond and millrace with sluice gateMaking Year 14 needs 98 products
- 04.15 Slaked lime, mortar, plaster and whitewash ⚠Making Year 1 needs 27 products
- 06.22 Picks, shovels, hoes, crowbars and sledgehammersMaking Year 4 needs 72 products
- 07.11 Surveying kitKnowledge Year 5 needs 82 products
- 06.19 Chain and hooksMaking Year 4 needs 62 products
- 07.01 Standard measure of lengthshown above ↑← shown at left
- 07.03 Layout toolsshown above ↑← shown at left
- 07.09 Lodestone and magnetic compassKnowledge Year 5 needs 76 products
- 06.26 Steel needles, awls and fish hooksMaking Year 5 needs 75 products
- 06.12 Hardening and temperingshown above ↑← shown at left
- 06.20 Draw plate and drawn wireMaking Year 4 needs 73 products
- 07.17 Framed joineryshown above ↑← shown at left
- 07.31 Stone quarry and dressed blocksMaking Year 7 needs 88 products
- 09.03 Undershot water wheelMaking Year 15 needs 100 products
- 07.17 Framed joineryshown above ↑← shown at left
- 09.01 Weir, mill pond and millrace with sluice gateshown above ↑← shown at left
- 09.02 Greased plain bearingsMaking Year 14 needs 67 products
- 09.08 Water-blown bellowsMaking Year 16 needs 103 products
- 06.01 Double board bellows with flap valvesshown above ↑← shown at left
- 09.07 Cam shaft and trip hammer ⚠Making Year 16 needs 102 products
- 09.09 Crank and connecting rodMaking Year 16 needs 69 products
- 10.09 Pig iron ⚠Making Year 22 needs 140 products
- 04.07 Charcoal clampshown above ↑← shown at left
- 06.02 Mined and roasted iron oreshown above ↑← shown at left
- 10.03 Coke ⚠Making Year 20 needs 125 products
- 10.01 Coal mine ⚠Making Year 20 needs 123 products
- 06.30 Timbered underground mine ⚠Making Year 5 needs 77 products
- 07.35 Rock blasting ⚠Making Year 7 needs 92 products
- 06.13 Steel-edged axes, adzes and chiselsshown above ↑← shown at left
- 06.22 Picks, shovels, hoes, crowbars and sledgehammersshown above ↑← shown at left
- 07.34 Black powder ⚠Making Year 7 needs 89 products
- 04.07 Charcoal clampshown above ↑← shown at left
- 06.24 Lock and keyMaking Year 5 needs 73 products
- 07.02 Standard weights and volume measuresKnowledge Year 4 needs 74 products
- 07.32 Refined sulphur ⚠Making Year 7 needs 62 products
- 06.25 Hammered iron sheet, pans and griddlesMaking Year 5 needs 61 products
- 07.33 SaltpetreMaking Year 7 needs 60 products
- 03.21 Compost and manure heapFood Year 1 needs 20 products
- 03.14 Cleared and hoed garden plotsFood Year 1 needs 15 products
- 03.18 Animal pens and captured young stockFood Year 1 needs 17 products
- 02.11 Three-strand ropeshown above ↑← shown at left
- 02.18 Wattle hurdles and woven matsMaking Year 1 needs 14 products
- 03.01 Snares and deadfall trapsFood Year 1 needs 5 products
- 04.18 PotashMaking Year 2 needs 26 products
- 05.22 Hammered copper sheet and riveted cauldronMaking Year 3 needs 52 products
- 07.45 Wooden wagonwayMaking Year 8 needs 88 products
- 06.18 Nails, spikes and rivetsMaking Year 4 needs 62 products
- 07.13 Saw pit and sawn planksshown above ↑← shown at left
- 07.27 Two-wheel cart and four-wheel wagonMaking Year 7 needs 86 products
- 09.21 Horse whimMaking Year 20 needs 103 products
- 07.28 Pulley blocks, windlass and capstanshown above ↑← shown at left
- 08.03 Trained draught animals with yoke, collar, harness and iron shoesFood Year 7 needs 99 products
- 03.18 Animal pens and captured young stockshown above ↑← shown at left
- 06.18 Nails, spikes and rivetsshown above ↑← shown at left
- 07.17 Framed joineryshown above ↑← shown at left
- 08.02 Leather goodsCloth Year 6 needs 89 products
- 06.21 Knives, shears, sickles and scythesMaking Year 4 needs 75 products
- 06.26 Steel needles, awls and fish hooksshown above ↑← shown at left
- 08.01 Bark-tanned leatherCloth Year 6 needs 81 products
- 09.04 Wooden gearsshown above ↑← shown at left
- 10.02 Firebrickshown above ↑← shown at left
- 10.08 Blast furnace ⚠Making Year 21 needs 108 products
- 12.03 Iron-bed lathe with slide restMaking Year 30 needs 154 products
- 09.16 Powered latheMaking Year 18 needs 100 products
- 07.18 Pole latheshown above ↑← shown at left
- 09.11 FlywheelMaking Year 17 needs 87 products
- 09.12 Leather belt drive and line shaftMaking Year 17 needs 97 products
- 10.13 Cast iron gears, shafts and machine framesshown above ↑← shown at left
- 10.27 Cast-steel cutting tools and springsMaking Year 25 needs 127 products
- 06.12 Hardening and temperingshown above ↑← shown at left
- 06.14 Files and raspsshown above ↑← shown at left
- 10.26 Crucible cast steelMaking Year 25 needs 126 products
- 12.02 Straightedges and squaresMaking Year 30 needs 149 products
- 12.01 Flat surface platesMaking Year 30 needs 148 products
- 10.12 Iron castingsshown above ↑← shown at left
- 10.27 Cast-steel cutting tools and springsshown above ↑← shown at left
- 11.27 Lead oxides ⚠Making Year 27 needs 43 products
- 12.04 Master lead screwMaking Year 30 needs 156 products
- 12.16 Calculating tables and slide ruleKnowledge Year 32 needs 187 products
- 08.35 Iron-gall ink and bound booksKnowledge Year 15 needs 116 products
- 07.05 The RecordKnowledge Year 4 needs 80 products
- 01.23 Tally-post calendarKnowledge Year 1 needs 2 products
- 07.04 Parchment, ink and pensKnowledge Year 4 needs 78 products
- 07.16 Hide glueshown above ↑← shown at left
- 08.34 PaperKnowledge Year 14 needs 110 products
- 04.17 Wood-ash lyeshown above ↑← shown at left
- 06.20 Draw plate and drawn wireshown above ↑← shown at left
- 07.20 Screw press and screw clampsMaking Year 6 needs 85 products
- 08.25 Woven clothCloth Year 12 needs 106 products
- 08.23 Spinning wheelCloth Year 12 needs 104 products
- 07.18 Pole latheshown above ↑← shown at left
- 07.25 Spoked wheel with iron tyreshown above ↑← shown at left
- 08.22 Drop spindle and spun yarnCloth Year 11 needs 101 products
- 03.27 Hand spindle and narrow loomCloth Year 1 needs 25 products
- 03.26 Retting pit and cleaned bast fibreCloth Year 1 needs 24 products
- 02.25 Antler pick, bone shovel and stone hoeshown above ↑← shown at left
- 03.15 First planted cropsFood Year 1 needs 23 products
- 03.12 Seed collection and seed storeFood Year 1 needs 20 products
- 01.22 Safe-food listFood Year 1 needs 1 product
- 01.01 Base camp siteHome Year 1 raw materials only
- 02.17 Basketsshown above ↑← shown at left
- 03.08 Raised storehouse with rat guardsFood Year 1 needs 16 products
- 03.14 Cleared and hoed garden plotsshown above ↑← shown at left
- 07.18 Pole latheshown above ↑← shown at left
- 08.21 Prepared fibreCloth Year 11 needs 99 products
- 03.18 Animal pens and captured young stockshown above ↑← shown at left
- 03.26 Retting pit and cleaned bast fibreshown above ↑← shown at left
- 06.20 Draw plate and drawn wireshown above ↑← shown at left
- 06.21 Knives, shears, sickles and scythesshown above ↑← shown at left
- 07.18 Pole latheshown above ↑← shown at left
- 08.24 Treadle loomCloth Year 12 needs 102 products
- 12.15 Dividing head and cut gearsMaking Year 32 needs 168 products
- 10.25 Brassshown above ↑← shown at left
- 12.09 Measuring toolsshown above ↑← shown at left
- 12.14 Milling machineMaking Year 32 needs 165 products
- 10.27 Cast-steel cutting tools and springsshown above ↑← shown at left
- 12.05 Screw-cutting lathe with change gearsshown above ↑← shown at left
- 12.12 Planing machineMaking Year 32 needs 164 products
- 10.13 Cast iron gears, shafts and machine framesshown above ↑← shown at left
- 12.02 Straightedges and squaresshown above ↑← shown at left
- 12.07 Bolts, nuts and machine screwsMaking Year 31 needs 163 products
- 10.18 Rolled bar, rod and railMaking Year 24 needs 151 products
- 10.17 Rolling mill ⚠Making Year 23 needs 150 products
- 12.06 Taps, dies and standard threadsMaking Year 31 needs 158 products
- 12.27 Hydraulic pressMaking Year 34 needs 157 products
- 08.02 Leather goodsshown above ↑← shown at left
- 09.19 Bronze force pumpMaking Year 19 needs 94 products
- 05.19 Lost-wax castingMaking Year 3 needs 48 products
- 03.22 Log beehivesFood Year 1 needs 16 products
- 04.22 Refractory clay mixshown above ↑← shown at left
- 05.09 Bronzeshown above ↑← shown at left
- 09.18 Suction pump and bored-log pipesMaking Year 19 needs 90 products
- 12.11 Cylinder boring millMaking Year 31 needs 151 products
- 12.28 Pressure gaugeMaking Year 34 needs 173 products
- 10.25 Brassshown above ↑← shown at left
- 11.03 Window glassHome Year 24 needs 154 products
- 11.02 Blown glassMaking Year 24 needs 153 products
- 10.22 Welded iron pipeMaking Year 24 needs 151 products
- 11.01 Glass furnace and melted glassMaking Year 24 needs 79 products
- 12.15 Dividing head and cut gearsshown above ↑← shown at left
Open a box to see what it needs. A dashed box is a product already drawn in full: click it to jump there. In the org chart, drag to move around.
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