single acting
51Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… …
52Discovery and development of dual serotonin and norepinephrine reuptake inhibitors — Serotonin–norepinephrine reuptake inhibitors (SNRIs) are a class of antidepressant drugs used in the treatment of major depressive disorder (MDD). SNRIs are potent inhibitors of serotonin (5 Hydroxytryptamine, 5 HT) and norepinephrine (NE,… …
53Hydraulic cylinder — A Hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a linear force through a linear stroke. It has many applications, notably in engineering vehicles. Operation Hydraulic cylinders get their… …
54Old Bess (beam engine) — Old Bess, as now preserved in the Science Museum, London Old Bess is an early beam engine built by the partnership of Boulton and Watt. The engine was constructed in 1777 and worked until 1848.[1] …
55sin|gle-ac|tion — «SIHNG guhl AK shuhn», adjective. 1. = single acting. (Cf. ↑single acting) 2. cocked and fired in separate motions: »In a single action revolver, the user pulls back the hammer by hand; he then pulls the trigger to fire …
56Pneumatic cylinder — Pneumatic cylinders (sometimes known as air cylinders) are mechanical devices which produce force, often in combination with movement, and are powered by compressed gas (typically air). To perform their function, pneumatic cylinders impart a… …
57leavening agent — ▪ baking substance causing expansion of doughs and batters by the release of gases within such mixtures, producing baked products with porous structure. Such agents include air, steam, yeast, baking powder, and baking soda. Leavening… …
58Cyldon — logo Cyldon was the brand name for a range of model stationary steam engines, manufactured in Enfield, Middlesex, England between 1947 and 1951 by Sydney S Bird Sons. The range extended to five different models, numbered: 13/1 which was a single… …
59Hydraulic rescue tools — [ dashboard) away from the driver. In this photo the driver s seat can be seen at the right. The steering wheel has been bent upwards, and the driver s door has been removed. The front driver s side wheel can be seen at left. Driver and front… …
60Model steam engine — Stationary model steam engine by Märklin, 1915 …
