indicator diagram
121Philosophiæ Naturalis Principia Mathematica —   Title page of Principia , first edition (1687) Original title …
122Copper — For other uses, see Copper (disambiguation) …
123Virtual ground — In the theory of electrical networks, a virtual ground ( or virtual earth) is a node of the circuit that is maintained at a steady reference potential, without being connected directly to the reference potential. In some cases the reference… …
124Messier 67 — (2MASS near infrared) Observation data (J2000.0 epoch) Constellation …
125Redfern railway station, Sydney — Cityrail Station alt|code=RDF| station name=Redfern servicearea=South Coast Line|servicearea color=#South Coast line colour|servicearea textcolor=white servicearea2=Blue Mountains Line|servicearea color2=#Blue Mountains line colour|servicearea… …
126Color rendering index — Emitted light spectrum determines the color rendering index of the lamp. Color render …
127Medici bank — Infobox Defunct Company company name = Medici bank company fate = Shut down by authorities successor = foundation = c. 1397 defunct = 1494 location = Various; home branch in Florence, Italy industry = Banking key people = Giovanni di Bicci,… …
128Lift (soaring) — Lift, or more precisely static lift , is rising air used by soaring birds and by humans in gliding, hang gliding and paragliding to make extended soaring flights. There are four principal types of lift:cite book | last = Welch | first = John |… …
