Two Telex brand hearing aids (b-c) in brown leather case (a), with warranty paper (d); the case is brown leather and is tightly closed at the top, becoming wider at the bottom; the top two ends of the case have metal hinges that, when squeezed, allow the case to be opened; the case is lined inside …
Two Telex brand hearing aids (b-c) in brown leather case (a), with warranty paper (d); the case is brown leather and is tightly closed at the top, becoming wider at the bottom; the top two ends of the case have metal hinges that, when squeezed, allow the case to be opened; the case is lined inside with grey fabric; the hearing aids are tan coloured behind-the-ear style hearing aids, with a curved plastic piece which goes behind the wearer's ear; this piece contains a slot for the battery (and the small, round battery inside), a volume dial, and an M T O switch; from this plastic piece, there is a small rubber tube that curves, ending in a rubber piece shaped to the wearer's ear, which is an orange/pink colour and has a hole in the end which goes into the wearer's ear; inside the case is also a sheet of paper folded in half with brown print and blue handwriting in pen, detailing some manufacturing information and the Telex Repair Warranty on both sides of the paper.
Number Of Parts
a - case: Length 8.0 cm X Width 9.0 cm X Height 1.5 cm
b-c - hearing aids: Length 5.6 cm X Width 4.0 cm X Height 1.5 cm
Raised on case (a): "TELEX"; embossed and printed on hearing aids and batteries: "81 3791 B C // 340 // ROVR // TELEX // U.S.A. // 1 // 2 // 3 // 4 // O // T // M //115 // 111 // TO // SPL // 12 // B // D // LOW CUT // 675 // + // JAPAN 42"; printed on paper, front side: "TELEX REPAIR WARRANTY // GARANTIE DE RÉPARATION "TELEX" // Model No. // Modèle No. 34RBQ. // Serial No. // Série No. 81-3791 // Expiration Date // Date d'expiration // May 2 // 85 // This instrument has been repaired under the Telex Warranty // Repair Plan. Should it need repair during this period, present this // card to any authorized Telex distributor. // Limited Warranty // Cette prothèse a été réparée selon le plan de réparation garantie // de "TELEX". Au cas ou la réparation serait défectueuse, durant // la période de garantie, présenter cette carte chez un distributeur // autorisé "TELEX". // Garantie limitée // (See Reverse Side) (voir au verso)"; printed on paper, back side: "This warranty is void if the instrument has been abused, // tampered with, or otherwise mistreated. // This warranty is void if an external, detachable cord has been // used, which is not genuine TELEX product. // External, detachable parts are not covered by this warranty // (except receiver, speakers). // THIS WARRANTY IS VOID IF THE SPEAKER HAS BEEN CHANGED. // Cette garantie est annulée si la prothèse a été modifiée, // ednommagee ou mal entretenue. // Cette garantie est annulée si un cordon autre que "TELEX" a // été employé. // Les pièces externes détachables ne sont pas couvertes par // cette garantie (à l'exception des micros et écouteurs). // CETTE GARANTIE EST ANNULÉE SI L'ÉCOUTEUR A ÉTÉ ÉCHANGÉ. // TELEX // TELEX HEARING INSTRUMENTS // Telephone: (416) 335-3744".
Storage Room 0010
Unit Of Measure
Tiny white marks on leather case, two on front and two on back; some markings rubbed off of hearings aids; paper layers separating, minor fraying at edges, some discolouration around blue pen marks and spreading over page.
"What is a telecoil?", Widex Blog, July 28, 2016: https://global.widex.com/en/blog/what-is-a-telecoil
"Hearing aid types", Connect Hearing, 2019: https://www.connecthearing.ca/hearing-aids/types/
"Deafness in Disguise: Timeline of Hearing Devices and Early Deaf Education", Washington University School of Medicine, Bernard Becker Medical Library, 2005-2009: http://beckerexhibits.wustl.edu/did/timeline/
"Deafness in Disguise: Concealed Hearing Devices of the 20th Century", Washington University School of Medicine, Bernard Becker Medical Library, 2005-2009: http://beckerexhibits.wustl.edu/did/20thcent/index.htm
This hearing aid is a behind-the-ear hearing aid, with a piece that sits behind the ear (the hard plastic part) and a piece that connects from there and sits in the ear (the rubber piece). Today, the most commonly used types of hearing aids are Behind-the-Ear (BTE) , Receiver-In-Canal (RIC), In-the-Ear (ITE), and Invisible-in-Canal (IIC).
Early predecessors to hearing aids were ear trumpets; a horn in which the small end was placed in a person's ear and the large, bell end amplified sounds coming in.
Zinc Air batteries were introduced in 1977 and helped pave the way for greater sales of In-the-Ear hearing aids, as they were smaller batteries.
Throughout the 20th century, with the introduction of electrical hearing aids, new ways of concealing hearing aids were also introduced, including concealing the devices in purses and cases that were made to look like camera cases.
This hearing aid has a t-switch, which refers to a telecoil. A telecoil is a wire coiled around a rod inside the hearing aid, and it functions to pick up magnetic signals and bring them into the hearing aid as sound. This way, background noise can be cut out so the wearer can focus on the voice of someone speaking to them, music, a lecture, etc. This can be linked to existing sound systems in public places so that the sound is delivered directly to the hearing aids.
University Health Network - Academy of Medicine Collection
Diagnostic & Treatment Artifacts
Metal syringe (a) with a rounded wooden handle; has plunger attached; comes with two bone or ivory irrigating nozzles, one straight (b) and one L-shaped (c); (d) a nozzle attachment for (a); and a small piece of wood with a hole cut out in the centre, rounded on one side (e); all fits in a wooden c…
Metal syringe (a) with a rounded wooden handle; has plunger attached; comes with two bone or ivory irrigating nozzles, one straight (b) and one L-shaped (c); (d) a nozzle attachment for (a); and a small piece of wood with a hole cut out in the centre, rounded on one side (e); all fits in a wooden case (f) with two hinges and a front lock; has velvet lining inside; lid has broken off.
a - syringe - Size: Length 20.0 cm
b - nozzle, straight - Size: Length 8.5 cm
c - nozzle, L-shaped - Size: Length 7.0 cm
d - nozzle - Size: Length 5.5 cm
e - wooden piece - Size: Length 4.5 cm
f - case - Size: Length 22.8 cm x Width 10.0 cm x Depth 3.8 cm
Acquired from the Academy of Medicine; source: Dr. Arthur Dill Kelly; belonged to Dr. John Gray of Glasgow.
Belonged to Dr. John Gray, who qualified at the Faculty of Medicine and Surgery at Glasgow in 1828 and then practised in Aberdeen; brought to Canada by his son, John Gray, who immigrated to Canada ca. 1860 and settled in Coldwater; left to Mrs. Kelly by Miss Katherine Gray, John Gray's last surviving child and Mrs. Kelly's aunt.
Oral / rectal glass thermometer (d) with metal tip and hatch marks and numbers printed in black ink on two sides, with a white stripe running down the third side with some product information printed on it; the thermometer is stored inside a grey plastic case (b) with a round opening on the wider e…
Oral / rectal glass thermometer (d) with metal tip and hatch marks and numbers printed in black ink on two sides, with a white stripe running down the third side with some product information printed on it; the thermometer is stored inside a grey plastic case (b) with a round opening on the wider end, and with a tan sticker on one of its four sides showing normal body temperature in both Celsius and Fahrenheit; the case is closed with a clear plastic lid (c) which is round at the bottom and octagonal for most of the body; all of these parts are stored in cardboard packaging (a) with a clear plastic cover shaped like the thermometer case and lid; the cardboard packaging has a red background, and the product information, directions for use, certificate of examination, and manufacturing information are printed in white ink in French on the left and English on the right; there is a small clear sticker in the bottom left corner which contains words in white ink, and in the top right corner, there is a tan sticker containing words in red ink and numbers in black ink; there is a perforated circle in the cardoard near the top centre which has not been punched out.
Number Of Parts
a - package: Length 17.8 cm X Width 11.8 cm X Height 1.5 cm
b - case: Length 8.5 cm X Width 1.2 cm X Height 1.2 cm
c - lid: Length 3.9 cm X Diameter 1.0 cm
d - thermometer: Length 10.5 cm X Width 0.4 cm X Height 0.5 cm
Date marked on package, certificate of examination
plastic: grey, clear
ink: red, white, black
Printed on packaging (a): SECURITY® // CELSIUS // with C° to F° // CONVERSIO[N TABLE] // FOR THE B[ABY] // SECURITY® // oral / rectal // fever // thermometer // medically // accurate // easy // to read // Certificate of // Examination // This thermometer // conforms to the // Canadian Government // Specifications Board // CGSB 14-GP-1c // June 1971. // DIRECTIONS FOR // USE: // Shake down to below 35° C. // Use as specified. Keep in // place at least 4 minutes to // allow proper registering of // temperature. After using // cleanse in cold soapy // water. // CAUTION: Do not wash in // warm or hot water. Im- // merse in any approved an- // tiseptic solution before and // after use. // B-D // BECTON, DICKINSON & CO., // CANADA, LTD. // 2464 SOUTH SHERIDAN WAY, // MISSISSAUGA, ONTARIO L5J 2M8"; printed on sticker in upper right corner: "21 // C // Medico-Dental // Pharmacy // 2 58;"; printed on sticker in bottom left corner: "MADE IN // FABRIQUE AU U.S.A."; printed on case: "F° // 105.8 // 104 // 102.2 // 100.4 // 98.6 // 96.8 // 95 // 93.2 // C° // 41 // 40 // 39 // 38 // 37 // 36 // 35 // 34 // NORMAL"; printed on thermometer: "33 // 34 // 35 // 36 // // 38 // 39 // 40 // 41 // I -PBW IIII // B-D U.S.A.".
Storage Room 0010
Unit Of Measure
Sticker on case slightly discoloured, some fraying and tearing of cardboard packaging, especially around edges; top of plastic packaging dented, and the red on the cardboard beneath torn up to reveal brown cardboard.
Becton-Dickinson, About BD: https://www.bd.com/en-us/company/about-bd
Free Patents Online, United States Patent US3809228: http://www.freepatentsonline.com/3809228.pdf
Fairleigh Dickinson University home page, 2019: http://www.fdu.edu/
"The History of the Medical Thermometer" by Annelise Driscoll, October 18, 2016, withings: https://blog.withings.com/2016/10/18/history-medical-thermometer/
In 1593, Galileo invented the thermoscope, a predecessor of the thermometer.
The first liquid in glass thermometer was invented by The Grand Duke of Tuscany Ferdinando II de' Medici, and used alcohol.
In 1714, Daniel Gabriel Fahrenheit created the first modern thermometer using mercury.
In 1867, Sir Thomas Albutt invented the first medical thermometer designed to measure human body temperature. It was six inches long and took five minutes to work.
Becton-Dickinson was founded in 1897 by Maxwell Becton and Fairleigh Dickinson. Fairleigh also founded Fairleigh Dickinson University, which has campuses today in New Jersey, England, and Vancouver, Canada.