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All Makers D-G

D.G. Instruments Ltd.
Douglas Henry Nelles
	Photometer Photometer Engine part, measuring Engine part, measuring
W.R. Davis Engineering Ltd.
Daystrom Ltd.	Transceiver, radio Resistance, decade Condenser, decade
De Forest Radio Corporation	Amplifier Receiver, radio Receiver, radio Receiver, radio
De Havilland Aircraft of Canada Ltd.	Antenna Antenna Antenna
Dominion Electric Protection Co.	Bell, alarm Compass, astro Box, compass
Dietzgen of Canada Ltd.
Digital Equipment of Canada	Computer lab Phaser, digital Computer Computer
DoAll Co. of Canada, Ltd.
DoAll Eastern Canada Ltd.
Example Artifact	Telephone Test set, radio circuit Receiver, radio Receiver, radio
Dominion Electrohome	Receiver, radio Receiver, radio Receiver, radio & player, disk Monitor, television
Dominion Instruments Ltd.
Dominion Insulator & Manufacturing Co. Ltd.
Dominion M.I.
Dominion Observatory	Pendulum apparatus, gravity Map Photograph collection Photograph collection
Dominion Telephone Manufacturing Co.
F. Donegani
Jedediah Hubbell Dorwin
Nathan Fellowes Dupuis
Example Artifact	Computer
Dynacon Enterprises Ltd.
Dynalogic Corp. of Canada	Board, circuit Board, circuit Board, circuit Computer
	Keyboard, computer Case, portable computer Computer Board, circuit
E.B. Myers Co. Ltd.	Motor Vacuum tube Vacuum tube Vacuum tube
Edwin T. Wright
E.W. Playford Co. Ltd.
EDA Instruments
Henry Farrell Edey
Edison Lamp Co. of Canada	Generator Generator
Edward P. Baird & Co.
ElCan Optical Technologies	Camera
Elder Electronics
Electrodesign
Electronic Associates of Canada Ltd.	Meter, beta-gamma survey Tube, Geiger Mueller Meter, radiation Meter, beta-gamma survey
Electronic Instruments Laboratory Ltd.
Electronic Materials International
Ellen Eliza Fitz
Enercorp Instruments Ltd.
Engineering Equipment & Supply Co.
English Electric Canada Division of John Inglis Co. Ltd.
Enoco Valve and Instruments Co. Ltd.
Erie Resistor of Canada Ltd.
ESE Ltd.
Exide Battery of Canada, Ltd.	Cover, battery Cover, battery
Federal Electric Manufacturing Co. Ltd.
Federal Engineering and Supplies Co.
Ferguson, Pailin Ltd of Canada
Ferranti Canada Ltd.	Drive, tape Computer Relay unit Reader, tape
Filtran Ltd.
Len Finkler Ltd.
Fleet Time Co. Ltd.	Trailer
Siméon Fortin
Foundation Instruments
The Foxboro Company Ltd.
Furnace Engineering Co. (Canada) Ltd.
Gandalf Technologies	Board, circuit Computer Modem
Garrett Manufacturing Ltd.
	Barometer Beacon Beacon
Gastops
GEM Systems Inc.
GEN Manufacturing Ltd.
Gen-Tec
Genaire Ltd.	Ski-wheel, airplane Ski-wheel, airplane Ski-wheel, airplane
Canadian General Electric Co.	Range
General Nuclear (Canada)
Gensales Ltd.
Geo. M. Hendry Co. Ltd.	Sonometer
Geological Survey of Canada	Coil, magnetizing Calibration unit Cable Cable
Geolograph Canada Ltd.
George Kelk Ltd.
George T. Kingston
George M. Fraser
George Westphal Co. of Canada Ltd.	Balance Balance
Sidney S. Girling
Girotti Scupltured Art
Glendon Instrument Co. Ltd.
Great West Electric Co. Ltd.
Greff Computer Corp.
F. Gross
Guildline Instruments Ltd.	Cell, standard Voltmeter Cord, electrical Salinometer
Gurney Scale Co. Ltd.