drop point apparatus
1Oil drop experiment — Millikan s setup for the oil drop experiment The oil drop experiment was an experiment performed by Robert Millikan and Harvey Fletcher in 1909 to measure the elementary electric charge (the charge of the electron). The experiment entailed… …
2Oil-drop experiment — The purpose of Robert Millikan and Harvey Fletcher s oil drop experiment (1909) was to measure the electric charge of the electron. They did this by carefully balancing the gravitational and electric forces on tiny charged droplets of oil… …
3Self-contained breathing apparatus — SCBA redirects here. For other uses, see SCBA (disambiguation). Not to be confused with the very similar Self Contained Underwater Breathing Apparatus. Toronto firefighter wearing an SCBA A self contained breathing apparatus, or SCBA, sometimes… …
4Fire apparatus — A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting fires, by transporting firefighters to the scene, and providing them with access, water or other equipment. In some areas, the terms fire… …
5Dropping point — The dropping point of a soap thickened lubricating grease is the temperature at which it passes from a semi solid to a liquid state under specific test conditions. It is an indication of the type of thickener used, and a measure of the… …
6flash point — noun 1. point at which something is ready to blow up • Syn: ↑flashpoint • Hypernyms: ↑criticality 2. the lowest temperature at which the vapor of a combustible liquid can be ignited in air • Syn: ↑flashpoint • …
7flash point — 1. Also, flashing point. Physical Chem. the lowest temperature at which a liquid in a specified apparatus will give off sufficient vapor to ignite momentarily on application of a flame. 2. a critical point or stage at which something or someone… …
8Millikan oil-drop experiment — First method for direct measurement of the electric charge of a single electron, originally performed in 1909 by Robert Millikan. He used a microscope to measure the rate of descent of tiny oil droplets directed through the top of a box. By… …
9Norden bombsight — The Norden bombsight at the Computer History Museum in Mountain View, California. This example does not have the associated autopilot attached …
10Analytical chemistry — For the journal, see Analytical Chemistry (journal). Analytical chemistry is the study of the separation, identification, and quantification of the chemical components of natural and artificial materials.[1] Qualitative analysis gives an… …
