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In 1944, the microphone was renamed the AXBT with the addition of a Ticonal magnet to increase sensitivity by 6 decibels. [1] [12] The AXBT weighed approximately 9.25 pounds (4.20 kg). [6] The microphone had a figure-of-eight polar pattern. [2] The aluminium ribbon was less than one micrometre thick. [3]
A 1921 photograph of Albert Einstein being given a tour of The New Brunswick Marconi Radio Station in Somerset, New Jersey (then part of RCA) along with RCA officers and leading scientists and engineers in the electrical and radio fields from RCA, General Electric, American Telephone and Telegraph, and Western Electric.
DSB class MZ was a series of 61 diesel-electric locomotives operated by Danske Statsbaner.They were built by NOHAB between 1967 and 1978 under licence from General Motors EMD with subcontractors Thrige-Titan (traction motors) and Frichs (chassis, bodywork).
Some resources for more complete information on the Dead Sea Scrolls are the book by Emanuel Tov, "Revised Lists of the Texts from the Judaean Desert" [7] for a complete list of all of the Dead Sea Scroll texts, as well as the online webpages for the Shrine of the Book [8] and the Leon Levy Collection, [9] both of which present photographs and images of the scrolls and fragments themselves for ...
Kolorimeter Leitz Wetzlar Trinovid 8×20 C binoculars expanded [1] Leitz compound monocular microscope. Germany. 1922. Perea-Borobio Collection. Carl Kellner, mechanic and self-taught mathematician, published his treatise Das orthoskopische Ocular, eine neu erfundene achromatische Linsencombination (The orthoscopic ocular, a newly invented achromatic lens combination) in 1849, describing a new ...
The Toyota MZ engine family is a piston V6 engine series. The MZ series has an aluminium engine block and aluminium alloy DOHC cylinder heads.The cylinders are lined with cast iron, and is of a closed deck design (no open space between the bores).
A bathythermograph. The bathythermograph, or BT, also known as the Mechanical Bathythermograph, or MBT; [1] is a device that holds a temperature sensor and a transducer to detect changes in water temperature versus depth down to a depth of approximately 285 meters (935 feet).
Fragment 5 from Cave 7 of the Qumran Community in its entirety. Among the Dead Sea Scrolls, 7Q5 is the designation for a small Greek papyrus fragment discovered in Qumran Cave 7.