 |
| B3 - General view of the B3 device . It has
swinging doors on both the front and back. |
 |
| B3 - A detailed view of the front. A small
piece of paper found on the inside, said it was a speech scrambler used
for Green Harbor - P'Town link during WW2. P'Town is slang for Provincetown,
MA. Note the jack field at the left side of the chassis. Jumpers plugged
into this jack field may have determined the method of scrambling. |
 |
| B3 - Rear view. There are tags that read: Green Harbor, input receive
privacy, output receive privacy, transmit privacy input and transmit privacy
output. One tag is marked "record" while another denotes "to O control". |
 |
| B3 - Rear view. Both the front and rear
are rubber stamped as "B-3 PRIVACY". One side of the cabinet
has a Western Electric 2-A cabinet tag. |
 |
| This B3 rubber stamp marking designates the
model number. It is not known if there was an actual nameplate affixed
to the chassis or cabinet. |
| All photos in this table by Robert White |