M. Eugene “Gene” RUDD, Jr.

Former Assistant Editor of Rittenhouse, Gene Rudd died on Nov. 23, 2014 in Lincoln ND. He was born Sept. 29, 1927 in Fargo ND. Gene was professor of physics at Concordia College 1954-1965 and at Univ. Nebraska in Lincoln from 1965 until retirement in 1993, including acting chair of the physics department 1970-1972.  He was a frequent […]

Recent paper on Long-Period Seismographs

Maurice Ewing, Frank Press, and the Long-Period Seismographs at Lamont and Caltech DEBORAH JEAN WARNER National Museum of American History, Smithsonian Institution, Washington, D.C. warnerd -@- si.edu ABSTRACT The name attached to a scientific instrument may identify the scientist(s) who contributed most to its design or, as was the case with the first successful long-period […]

Fr. Clarke’s Electron Selector

  Date: 1954 Donated by Michael Steinitz, Professor of Physics, St. Francis Xavier University, Antigonish, Nova Scotia Canada Science and Technology Museum *possibly made at Laval University, Quebec. (see reference). Quote from donor: “Fr. Clarke took a doctorate in atomic physics at Laval University where he achieved international repute for his electron selector, with which […]

Set of standard weights used in Newfoundland

Newfoundland standard weights

Pre-confederation set of Newfoundland standard weights. 1834 art. no. 1997.0079 Canada Science and Technology Museum see detailed photos on Flickr Patricia Kennedy of the Library and Archives Canada visited our Reading Artifacts Summer Institute (RASI 2011) to examine and discuss this set of standard weights.  She raised a number of questions about their history and […]

Microscope achromatique

Fabricant : Andrew Ross, Londres, Royaume-Uni 1843 Source : Achat N° d’artefact : 2009.0088 Musée des sciences et de la technologie du Canada Ce microscope a servi à une naturaliste qui a accompagné son époux dans les colonies pendant ses missions militaires et travaux d’arpentage. C’est le microscope portatif de Caroline Estcourt Bucknall (1809-1886), née Caroline Pole Carew, épouse d’un officier de l’armée britannique, James Bucknall Estcourt (1802-1855). Bucknall Escourt a été affecté dans les colonies canadiennes dans les années 1830 et 1840. Caroline était une naturaliste amatrice d’une certaine renommée et une peintre. Quelques unes de ses œuvres sont conservées à Bibliothèque et ArchivesCanada, notamment des portraits, des scènes sportives, des paysages ainsi que son journal. Cet objet est également un microscope important datant de 1843, doté de l’un des tout premiers systèmes commerciaux portatifs de lentilles achromatiques (n° de série 68) fabr qué par le célèbre confectionneur d’instruments Andrew Ross, de Londres. En raison de sa provenance pittoresque et de son importance technique, c’est l’un des microscopes optiques majeurs de la collection.  

Replica of Pascal's calculator -- detail of dials

Pascal Calculator by Roberto Guatelli

Pascal calculator replica by Roberto Guatelli 1978 art. no. 1979.0568 Canada Science and Technology Museum This artifact, currently on display in our artifact spotlight area, is connected by maker to our recently acquired Babbage replica. The Italian scholar, Roberto Guatelli, made both of them. Guatelli was a well known maker of historic mathematical reproductions and […]

Coincidence mixer

Coincidence Mixer

See more on Flickr:   Coincidence Mixer c. 1963 Made by Hammond Manufacturing Co. Ltd., Guelph, Ontario Source: Aurora Research Institute in Inuvik, Northwest Territories. Canada Science and Technology Museum The Canada Science and Technology Museum recently acquired original equipment from a cosmic ray detector station in Inuvik, Northwest Territories. One of the key pieces, a […]

A sample of microscope slides made by C.R. Percival

Percival Historic Slide Collection, 1895-1954

See more on Flickr:  Percival Historic Slide Collection 1895-1954 Canada Science and Technology Museum acquired March 29, 2012 This is an extensive, well-preserved collection of instruments, tools, slides, photographic equipment, chemicals, samples, books, documents and photographs spanning the career of a professional microscope preparer, C.R. Percival from 1895 to 1954. Percival trained and worked in England […]