Electricity, generators, motors and batteries

Earth parallel: 1800–1890. Goal: turn steam into electric current, carry it by wire, use it for light and motion, and store what is left over.

Years 38–4546 entries0 procedures written

ID	Achievement	Thread	Built on	About year
14.01	Voltaic pilethe first steady electric current	Making	03.06 08.26 10.24 11.26	38
14.02	Daniell cella reliable battery for hours of work	Making	04.10 11.02 11.18 11.25 11.26 14.01	38
14.03	Insulated copper wirewrapped in cotton thread and varnished	Making	08.22 10.24 11.13 12.03	38
14.04	Electromagneta magnet that switches on and off	Making	06.05 14.02 14.03	38
14.05	Galvanometershows and measures current	Making	07.09 14.03	39
14.06	Permanent steel magnetshardened bars and horseshoes magnetised in a coil	Making	10.27 14.04	39
14.07	Circuit hardwareswitches, terminals and fuses	Making	05.28 10.25 11.41	39
14.08	Electroplatinga thin coat of copper, tin or zinc laid on by current	Making	11.19 11.25 14.02	39
14.09	Induction coil ⚠a few volts turned into a spark of many thousands	Making	14.03 14.04 14.07	39
14.10	Telegraphkey, sounder, relay and a wire that follows the wagonway and the road between the settlements, the mine and the works	Knowledge	09.17 11.02 11.49 14.02 14.04 14.07	39
14.11	A household's own goodsthe council changes Landing Rule 4: what a household makes beyond its share of the common work is its own	Society	12.23	39
14.12	Market day and barterpeople and settlements exchange goods and services directly on the common ground; the standard weights and measures are set out for all	Society	03.29 07.02 14.11	40
14.13	Hand-cranked magnetoa magnet moving past a coil makes current	Making	12.15 14.03 14.06	40
14.14	Commutator and brushescollect current from a turning coil in one direction	Making	10.24 10.25 11.43 12.03	40
14.15	Laminated iron corethin varnished sheets stacked, so the core does not heat	Making	10.19 11.13 12.24	40
14.16	Self-exciting dynamo ⚠its own current feeds its field magnets; real power at last	Making	10.13 12.19 14.03 14.04 14.13 14.14 14.15	40
14.17	Steam-driven generating set ⚠the first power station	Making	13.05 13.26 14.16	40
14.18	Electrical measuring instrumentsvoltmeter, ammeter, standard resistance coils	Making	11.48 14.05 14.06	41
14.19	Switchboardknife switches, fuses and field regulator on a slate panel	Making	14.07 14.18	41
14.20	Rubber-insulated cable	Making	10.24 11.29 11.40	41
14.21	Carbon rodspressed and baked	Making	04.09 10.03 11.29 12.27	41
14.22	Arc lampa blinding light for yards and workshops	Making	14.04 14.17 14.21	41
14.23	Mercury vacuum pump ⚠falling mercury drags the air out of a bulb	Making	11.04 11.14	41
14.24	Incandescent lampa glowing carbon thread in an airless glass bulb	Making	11.02 14.17 14.23	42
14.25	Village lighting systemevery house and workshop wired	Home	14.19 14.20 14.24	42
14.26	Electric motora dynamo run backwards	Making	14.16	42
14.27	Motor starter and speed control	Making	11.48 14.19 14.26	42
14.28	Motor-driven machineseach lathe, pump, fan and hoist with its own motor	Making	12.20 14.27	42
14.29	Lead-acid cell ⚠two lead plates in acid; can be charged again and again	Making	05.27 11.02 11.18 14.17	42
14.30	Pasted-plate storage battery ⚠lead grids packed with lead oxide; many times the capacity	Making	11.27 11.41 14.29	43
14.31	Battery room and charging board ⚠stores the day's surplus and lights the night	Making	11.15 14.19 14.30	43
14.32	Dry cellsealed, portable battery for bells and telephones	Making	11.26 11.30 14.21	43
14.33	Telephonespeech along the telegraph poles	Knowledge	14.03 14.06 14.10 14.32	43
14.34	Electrically refined copperpurer copper carries more current	Making	10.24 11.25 14.08 14.17	43
14.35	The standard beadcopper beads of one weight and one stamp, made only at the common works and accepted in payment for anything	Society	05.24 07.02 12.33 14.12 14.34	43
14.36	Alternator ⚠current that reverses many times a second	Making	14.15 14.16	43
14.37	Transformer ⚠steps voltage up for long wires and down again for use	Making	14.03 14.15 14.36	44
14.38	Induction motorno brushes, almost nothing to wear out	Making	14.15 14.36	44
14.39	Electric household machinesfan, water heater, cooker and iron	Home	11.48 14.25 14.27	44
14.40	X-ray tube and glowing screen ⚠broken bones and swallowed metal seen through the flesh	Health	11.02 14.04 14.09 14.23 14.30	44
14.41	Photographyglass plates, a lens and silver salts; the island's first true pictures, and a record of what the X-ray shows	Knowledge	05.26 11.03 11.19 12.34	44
14.42	Baked-enamel winding wirecopper wire coated in oil varnish and baked hard; thinner than cotton covering, so more turns fit in a motor	Making	08.37 10.24 14.03	44
14.43	Varnished cloth and pressed mica sheetinsulation between layers that stands the heat inside a motor	Making	08.25 11.13 11.43	45
14.44	Hydrogen and oxygen from water by electric current ⚠gases for a very hot flame and for later chemistry	Making	11.22 14.17	45
14.45	Tungsten metal ⚠the ore roasted with soda, the oxide turned to metal powder in hydrogen, then pressed and sintered	Making	05.04 11.20 11.21 12.27 14.44	45
14.46	Tungsten-filament lampthree times the light of the carbon lamp for the same current, and far longer life	Making	14.23 14.24 14.45	45