1927 Article Scientific Explanation Sound Waves Filtered Diagram Dr. GW SI1 TSC1 The images capture a place

The images capture a place and a people at the historic end of a European empire

This is an original 1919 black and white print ad for Olde Stonesfield Roofs by The John D

This is an original 1922 black and white print ad for the Jell-O Strawberry and Orange Gelatin from Genesse Pure Food Company located at LeRoy

This is an original 1933 color print ad for the B

This is an original 1943 black and white print ad for Marmon-Herrington of Indianapolis

1927 Article Scientific Explanation Sound Waves Filtered Diagram Dr. GW SI1 TSC1 The images capture a placeThis is an original 1927 one page article (one single sided page) by Paul Welker on how sound waves are filtered. CONDITION This 84+ year old Item is rated Very Fine +++. Light aging throughout. Light creasing. No natural defects. Some light surface rub. No tears. No water damage. Please note there is print on the reverse, thus some bleed through may be present. Product Type: Original Print Article; Black White Grade: Very Fine +++ Dimensions: