Carton for De Forest "Audion" radio tube
date: label: date made
content: ca 1910
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: A cardboard carton for a De Forest spherical audion tube. Printed on box side 1: "Warning / Reverse Battery "A" / For your own interests, DO NOT USE this Audion Bulb, / or any Audion Apparatus, WITHOUT the VERY NECESSARY / INSTRUCTIONS which we will mail promptly and without / charge, on request. / De Forest Radio Telephone & Telegraph Co. / 101 Park Avenue, New York, N.Y.".
label: Description (Brief)
content: Printed on box side 2: "This Audion Bulb and its use for radio purposes is covered by / Patents Nos. / 824,637 886,070 837,904 841,397 / 867,877 879,532 943,969 824,638 / 836,071 841,386 867,876 867,878 / 979,275 995,126 / It is licensed to be sold only for renewal purposes for OUR DETECTORS, and its sale, distribution or use for any other purpose / constitutes an infringement of out patent rights. / Infringers are liable to prompt prosecution, and under positively / no circumstances will we be responsible for the action of this bulb, / otherwise than in connection with our detectors. / De Forest Radio Telephone & Telegraph Co.".
label: Description (Brief)
content: Printed on box side 3: "It is licensed to be sold only for renewal purposes, for our detectors, and / used only for amateur or non-commercial purposes. They are not to be / used for trans-oceanic telegraphy or telephony. Sale, distribution or / use for commercial purposes constitutes an infringement of our patent / rights. Infringers will be liable for prompt prosecution. We will posi- / tively not be responsible for the action of this bulb otherwise than in / connection with our detectors. / De Forest Radio Telephone & Telegraph Co. / New York City".
label: Description (Brief)
content: Printed on box side 4: "Tested By [blank] / Packed By [blank] / Filament [blank] Grade [blank]".
label: Description (Brief)
content: Printed on box end: "Audion Amplifier / 3 1/2 Volts / Tungsten Filament / Protected under De Forest patents / 836070 879532 / 841387 979275 / 943969 / -- Caution -- / Never burn at excessive brilliancy".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325330
label: catalog number
content: 325330
label: accession number
content: 252994
objectType: label: Object Name
content: Box, Audion
label: Object Name
content: vacuum tube box
label: Object Name
content: triode box
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 2 1/2 in x 4 1/4 in; 6.35 cm x 6.35 cm x 10.795 cm