Ventilated Socket (HOME 1909) - Homestead National Monument of America
Summary
Ventilated socket controller. McIntosh Electrical Corporation, No. 3010, Serial number 1430. Control is by knob that is turned to move it to numbered positions.
Tags
medical
homestead national monument of america
socket controller
mcintosh electrical corporation
control
serial number
national parks gallery
ultra high resolution
high resolution
history of medicine
nebraska
beatrice nebraska
Date
1862 - 1900
Location
Source
National Parks Gallery
Link
Copyright info
Public Domain Dedication