1930 Ad Leland Electric Co. Motors Seismograph Seismic - ORIGINAL ELC1
This is an original 1930 black and white print ad for the Seismograph, a device to measure motion of the ground and seismic waves by earthquakes, and volcanic eruptions from Leland Electric Company located in Dayton, Ohio. CONDITIONThis 81+ year old Item is rated Very Fine +++. Light aging in margins. No creases. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black / White Grade: Very Fine +++ Dimensions: Approximately 3.5 x 10 inches; 9 x 25 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Keywords specific to this image: seismometer, seismic waves Vintage AdvertisingELC1A10B4C30