Spark Plug

| View Cart ⇗ | Info

Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark

Source

Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)

Downloads

TIFF (full resolution)

1022×2400, 394.7 KiB

Large GIF

436×1024, 62.7 KiB

Medium GIF

272×640, 31.9 KiB

Small GIF

136×320, 12.0 KiB