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Gramophone & Typewriter Exhibition Long Throat Soundbox

https://www.ebay.co.uk/itm/Gramophone-T ... Sw-K9ZEKHl

The "Long Throat" Exhibition soundbox was designed to fit travelling arms.

This model seems to be missing the pin that usually protrudes from the back plate of such soundboxes. Perhaps it is a late model without the pin or maybe the back plate has lost its pin? The "Made in USA" wording is certainly applicable to later Exhibition soundboxes (post 1908). Without the pin isn't there a risk of the soundbox slipping round on its fixing when playing a record? I guess those with early G&T machines will know whether this would be the case.

Considering the fact that the rubber is still white and (probably) flexible, I'd assume that this one has been opened before. Perhaps they happened upon the back and decided to make a few bucks by substituting in a newer face. Also note the rubber seam is on the side, all original victor jobs I've come across had the seam at the base under the needle bar.

Are there not people who will convert a regular ol' Exhibition soundbox into a long neck? I believe they do that by mounting the soundbox on a lathe, turning the back down, and adding the neck. Is that a possibility here?

Hines57 wrote:This model seems to be missing the pin that usually protrudes from the back plate of such soundboxes. Perhaps it is a late model without the pin or maybe the back plate has lost its pin? The "Made in USA" wording is certainly applicable to later Exhibition soundboxes (post 1908). Without the pin isn't there a risk of the soundbox slipping round on its fixing when playing a record? I guess those with early G&T machines will know whether this would be the case.

Well, the Exhibition on my Victor E has the pin broken off; but it plays quite well, when rotated to the correct angle, with the set screw properly tightened.

Bill