Photo: No known restrictions on publication.1925. Winthrop & East Boston: Noddle Island in foreground Courtesy of Boston Public Library http://JohnBatchelorShow.com/contact http://JohnBatchelorShow.com/schedules Parler & Twitter: @BatchelorShow Plymouth Rock Technologies and real time security for borders, Government, especially the U.S Capitol Building. Dana Wheeler CEO. https://www.plyrotech.com Plymouth Rock Technologies Inc. is publicly trading in Canada on the Canadian Securities Exchange (CSE) under the symbol PRT. CSE: PRT | OTCQB: PLRTF