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Three packages of phonograph needles from Tusko, Minerva, and The Needle of Quality.

One photograph of staff at the Berlin foundry (later the Gies foundry). An accompanying note indicates that Alex Welker is present in the photograph and that it was at this foundry that he initially began working on his designs for his phonograph.

An agreement between Schroder Hornless Phonograph Manufacturing Company and Arthur B. Pollock licensing Pollock to sell the hornless phonographs in Canada.

A copy of One Dominion of Canada patent for Herman Schroder for A new and useful improvement in gramaphones.

An agreement between HermAn Schroder and Arthur B. Pollock assigning A patent by HermAn to Pollock in exchange for royalties on the hornless phonograph.

One photograph of Electrohome staff. The photograph has been damaged and only the left half remains.

Correspondence and An invoice from Ridout and Maybee patent solicitors.

A reproduction of An indenture between The Berlin Steel Go-Cart Company and The Pollock Manufacturing Company Limited.

One letters patent for The Pollock Manufacturing Company, Limited. The letters patent was assigned to Arthur Bell Pollock, Charles Stoltz Boehmer, August Boehmer and Alexander Henry Welker.

File consists of a photocopy of a Phonola advertisement from Canadian Magazine Advertiser, and a photocopy of a page from an unidentified publication of a picture of King Edward VII and King George V.

A published patent notice for A patent for sound-reproducing machine and record therefor, held by Frederick Osborn of Garrison.

Supplementary letters patent for the Pollock Manufacturing Company Limited for the purposes of increasing the capital stock of the company.

Three assignments of patents by Alex Welker to Pollock Manufacturing Company Limited. The patents are for A tone arm for A talking machine and reproducers for A talking machine.

A published patent notice for A cabinet sound-reproducing machine held by Henry Miller of Waterford.

One Canada trade mark registration for the word and device Organola in the name of Pollock Manufacturing Company Limited.

One Dominion of Canada patent assigned to Alexander H. Welker for A new and useful improvement in talking machines that has been assigned to the Pollock Manufacturing Company.

A published patent notice for A record-tablet for talking-machines held by Owen Brophy of Pennsylvania.

One United States patent for Alexander H. Welker for new and useful improvements in talking machines.

One register for An industrial design of A cabinet for talking machines for the Pollock Manufacturing Company Limited.

One register for An industrial design of A cabinet for talking machines for the Pollock Manufacturing Company Limited.

One receipt from the Dominion of Canada patent office for 20$.

One item of correspondence from Ridout and Maybee patent solicitors.

Fifteen photographs of manufacturing processes. The images were taken during the years of the First World War and include shots of women working as well as posters advertising war bonds in the factory.

One photograph of what appears to be a packaging room.

One photograph of what appears to be staff at s party. The individuals are dressed up and also present in the photograph are musicians.

Four photographs of employees at work in a manufacturing work room.

One register for An industrial design of A cabinet for talking machines for the Pollock Manufacturing Company Limited.

One photograph of female workers at Electrohome.

One photograph of manufacturing staff.

One register for An industrial design of A cabinet for talking machines for the Pollock Manufacturing Company Limited.

A reproduction of An advertisement from the Kitchener Manufacturer's Association Catalogue for Phonola.

One photograph of office staff.

File consists of a share certificate book for the Phonola Company of Canada Limited. Contains share certificates issued, cancelled, and transferred between 1917 and 1931, and blank share certificates. File also includes a carbon copy of the letters patent and by-laws for the company.

One technical drawing of gauge no. 215.

One photograph of workers on the floor of Electrohome standing underneath A row of multi national flags.

One photograph of office staff at Heinemann Electric.

File consists of 30 gramophone records, including seven Phonola records. Some of the records were probably used for in-store phonograph demonstrations and some were used for advertising purposes. Includes 17.5 cm, 25 cm, and 30 cm (7", 10", and 12") records of the following labels: Phonola, Parlophon-Record, His Majesty's Voice Victor, RCA Victor Red Seal, Odeon, Arrow, Okeh, Apex, Favorite Record, Beka-Meister Record, United Artists, Columbia, and Capitol. Some records were produced for Electrohome by Colombia.

A compOnent parts lists for Helycon reproducers.

A compOnent parts lists for Helycon motors, tOne arms and reproducers. One price list has handwritten notes.

A compOnent parts lists for Helycon tOne arms.

A price list for distributors for parts for flyer motors from the General Industries Company of Elyria, Ohio.

A leaflet for Pollock-Welker porto vox. The porto vox was advertised as being for record demonstrating and eliminating the need for sound proof rooms.

File consists of a No.2A Brownie camera, model B, from the Eastman Kodak Co.

A reproduction of A deed of land from Pollock Manufacturing Ltd. to General Phonograph Corporation of Canada.

A time card slip.

price list for star machines, manufactured by Hawthorne & Sheble of Philadelphia.

Two photographs of the exterior of the Electrohome factory on Victoria Street.

A compOnent parts lists for Pulwell motor no. 301.

A magazine advertisement for Music Master radios.

A brochure for the latest Phonola model.

A brochure for Pollock-Welker Ltd. Pulwell phonograph motors.

A brochure for Pollock-Welker Pulwell portable phonographs and portable electric pickups.

File consists of a catalogue of bathroom fittings produced by the Pollock Manufacturing Company. File also includes a Phonola advertisement.

A catalogue for Helcyon motors, tOne arms, and reproducers.

A compOnent parts lists for Pulwell motor no. 302.

One reproduction of An advertisement for Cullen's music store in Berlin [Kitchener] noting that they sell Pollock talking machines.

A brochure for Grimes inverse duplex radios. Grimes was also located in Kitchener and merged with Pollock and Welker Ltd. in 1933 to become Dominion Electrohome.

A brochure for Pollock-Welker Ltd. Pulwell portable phonographs.

One photograph of the Meyeri brothers standing in front of a car.

One photograph of employees of the Electrohome plant on Victoria Street.

Photograph of a 4 tube radio constructed by John Koegler in 1923.

Photographs of Pollock-Welker product boxes being loaded onto A C.P. Rail car.

A reproduction of An indenture between General Phonograph Corporation of Canada and Pollock-Welker Limited.

File consists of a share certificate book for Pollock-Welker Limited. Contains share certificates issued, cancelled, and transferred between 1925 and 1936, and blank share certificates.

One reproduction of a short article on industrial Elmira, including A section about the Phonola Company of Canada Limited.

One receipt from the Dominion of Canada patent office for 17$.

One receipt from the Dominion of Canada patent office for 25$.

One New Zealand trade mark registration for the word and device Helycon in the name of Pollock-Welker Limited.

One Canada trade mark registration for the word and device Pulwell in the name of Pollock-Welker Limited.

A service manual for eight tube A.C. receivers. It is unclear if this was produced by Electrohome or An outside source.

File consists of an illustrated parts price list for Star talking machines, manufactured by Hawthorne & Sheble Manufacturing Co. (Philadelphia, PA).

File consists of advertisements for Pollock-Welker portable photographs, Pulwel portable phonographs, and Grimes batteryless radio. Some of the advertisements are dealer advertisemsnts from the Canadian Music Trades Journal.

File consists of a small leaflet adverising the Porto Vox phonograph attachment from Pollock-Welker, used for in-store record demonstrations.

One photograph of a staff picnic.

One photograph of three unknown people standing on A shoreline.

One photograph of what appears to be a workroom at Electrohome.

File consists of material from the Canadian Appraisal Company (Montreal, QC) relating to an appraisal of the value of the land, buildings, and machinery and equipment of Pollock-Welker, Phonola Company of Canada, and Grimes Radio Corporation. Includes a letter and copies of the tentative appraisal statements.

File consists of material relating to Helycon motors, manufactured by Pollock-Welker Limited. Includes an advertisement and a component parts list, which includes pictures of each part.

Photographs of social events at Electrohome including picnics, races, baseball games and musical events.

File consists of 11 service manual and part lists for various models of superheterodyne receivers. Manuals include parts price lists. Some manuals are stamped "Grimes Radio Corporation Limited".
Model numbers include:

• 3A61, 3A62
• 40, 40-A (8 tube)
• 452 (5 tube)
• 455, 456 (5 tube)
• 465 (6 tube)
• 273-1, 273-2; 274-1, 274-2 (7 tube)
• 2123, 2124 (12 tube)
• 2B93, 2B94 (9 tube)
• 273-1, 273-2; 274-1, 274-2 (7 tube)
• 293-294 (9 tube)
• 2B63, 2B64 (6 tube)

File consists of a ledger kept between 1925 and 1931.

File consists of a leather-bound volume containing the minutes of meetings of the directors and of the shareholders of Phonola Company of Canada Limited from 1917 to 1931. The minutes are glued to the pages of the notebook. File also includes a meeting notice, a form appointing Arthur B. Pollock as proxy for the Royal Bank of Canada, and two letters, one addressed to Clement & Clement Barristers &c. (Kitchener, ON) and one addressed to Arthur B. Pollock.

Photograph of Electrohome employees on the ferry from Sarnia to Chicago.

File consists of signed applications for 9% class "A" cumulative, redeemable, preferred shares of Dominion Electrohome Industries Limited (Electrohome). File also includes a certificate to the purchaser of shares in the company signed by Arthur B. Pollock and Carl A. Pollock, and a typed (carbon copy) of page of information about the company's incorporation, capitalization, and officers and directors.

A reproduction of A deed of land from Pollock-Welker Limited to Dominion Electrohome Industries Limited.

A brochure for Electrohome humidifiers.

A brochure for Electrohome humidifiers.

File consists of the balance sheet and the manufacturing, trading and profit and loss account for Dominion Electrohome Industries Limited for the period from March 1 to May 31, 1934.

File consists of material relating to a statement submitted to the Royal Bank of Canada regarding the estimated value of goods at Electrohome as of February, 1934, for the purpose of securing advances. Includes lists of customers' orders on hand (carbon copy), statements of expenses and assets (carbon copy), ms. notes, and forms for the Royal Bank of Canada.

Photograph of staff out front of the Breithaupt plant on the last day of operation.

File consists of material relating to the design and production of radio receivers. Includes 35 blueprints of wiring diagrams, typed descriptions of the diagrams, and typed parts lists.

One chart for radiotron radio parts.

File consists of a share certificate book for the Grimes Radio Corporation Limited. Contains share certificates issued and transferred between 1925 and 1935, and blank share certificates. File also includes ms. notes and blank copies of a statement about the transfer of shares to Arthur B. Pollock.

One chart for RCA Cunningham radio parts.

File consists of monthly trial balance sheets from November, 1934 to March, 1936, bound in a hardcover volume.

File consists of advertising material for Serenader radios, in the form of small leaflets including price information. Serenader was a private trade label for Simpsons's.

File consists of the booklet Magdalen College list of members with addresses: April 1936 published by the Oxford University Press. Carl A. Pollock is listed on page 43.

File consists of a leather-bound volume containing the minutes of meetings of the directors and of the shareholders of Pollock-Welker Limited from its incorporation in 1925 to the surrender of the company's charter in 1936. The minutes are glued to the pages of the notebook.

File consists of a signed offer by Dominion Electrohome Industries Limited to purchase the land and the associated plants and machinery of Malcolm & Hill Limited in Kitchener from The Manufacturers Life Insurance Company.

An information sheet on the shaver system of air movement and ventilation, invented by the J.B. Shaver company of Cleveland.