lamp assembly
21Lighthouse — For other uses, see Lighthouse (disambiguation). Speculative drawing (c. 2006) of the Lighthouse of Alexandria, on the island of Pharos …
22photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
23Denton, Greater Manchester — Coordinates: 53°27′19″N 2°06′44″W / 53.4554°N 2.1122°W / 53.4554; 2.1122 …
24Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism …
25Cadillac Coupe de Ville — See also: Cadillac Sedan de Ville Cadillac Coupe de Ville 1960 Cadillac Coupe de Ville …
26Laser printer — HP LaserJet 4200 series printer, installed atop high capacity paper feeder …
27Emergency vehicle lighting — refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a… …
28Enigma machine — Military Enigma machine …
29Mar Thoma Syrian Church in Malaysia — Crest of the Mar Thoma Syrian Church Classification Protestant Orientation Syrian Malabar Nasrani Polity …
30Electricity on Shabbat in Jewish law — Jews who observe the Shabbat (Sabbath) have the practice of refraining from turning electricity on or off during Shabbat. In most cases they also abstain from making adjustments to the intensity of an electrical appliance as well. Authorities of… …
