On 3/29/2012 4:54 PM, David Lewis wrote:
> BTW the galvanos used by the Berlin Phonogrammarchiv to mass produce copies
> of ethnological cylinders were, in effect, metal cylinders. But they
> represented the negative image of the groove, and the grooves themselves
> were inside the galvano. Dave Lewis Lebanon, OH
Of course that is how ALL mass produced cylinders were made. I have a
metal mould that was used to make one of the Ediphone Dictation lesson
cylinders as late as the 1950s.
Mike Biel [log in to unmask]
>
> On Thu, Mar 29, 2012 at 9:49 AM, [log in to unmask]<
> [log in to unmask]> wrote:
>
>> Metal cylinders? Someone please tell me more about these. Who made them
>> and when?
>>
>> joe salerno
>>
>>
>> On 3/29/2012 7:30 AM, Chris J Brady wrote:
>>
>> Throughout his career, Lomax was always using the latest
>>> technology to record folk music in the field and then share
>>> it with anyone who was interested. When he started working
>>> with his father, John Lomax, in the '30s, that meant
>>> recording on metal cylinders.
>>>
>
|