I was given a grubby but serviceable copy the 1933 RCA-Cunningham radio tube manual (RC-11) and was quite looking forward to browsing it. And then I looked at the back cover and saw the distinctly phallic arrangement of valve-and-trademarks surmounting the National Recovery Administration logo and motto: "We Do Our Part".
Now I'm nervous about what RCA-Cunningham might have meant by "doing their part" and what I might find between the covers - surely not a centrefold?
Now I'm nervous about what RCA-Cunningham might have meant by "doing their part" and what I might find between the covers - surely not a centrefold?

Attachments
Designers of books from long ago clearly believed that they could get away with anything in this category.
Take for instance the Encyclopædia Britannica ("Scholar's Edition" = ninth edition, late 19th century).
The decoration on the spine appears to be a fine ornate phallic 'Triumphal Arch'. (Triumphallic Arch, perhaps
Take for instance the Encyclopædia Britannica ("Scholar's Edition" = ninth edition, late 19th century).
The decoration on the spine appears to be a fine ornate phallic 'Triumphal Arch'. (Triumphallic Arch, perhaps
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From the subject I thought it would be about something like this: http://www.triodeel.com/ongaku.htm
Even the grid dissipation is measured in kW!
Even the grid dissipation is measured in kW!