Contributing technical editor Richard Quinnell waxed nostalgic about old-fashioned instruments in “The thrill is gone” in T&MW ’s May 2011 Modular Instrumentation Test Report, prompting an e-mail ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

THE practice of recording the secular variation of an E.M.F. signal, representing some physical variable, by photographing an oscillograph screen on a moving film, is now common to almost every branch ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

IN research into electrical engineering problems, the analysis of circuit performance and of the related physical phenomena frequently demands the simultaneous recording in correct time relationship ...

General Electric mercury condensation pump D195B73. Label reads: "Mercury Condensation / Pump / Volts 110 Casing type D195 B73 / Total Watts 365 Pump [Type] D101 B73 / Heating Element [type] B158 B159 ...