Construction Level
| View Cart ⇗ | Info
Indicator that establishes the horizontal when a bubble is centered in a tube of liquid
Galleries
LevelsSource
Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)
Downloads
2400×812, 560.6 KiB
1024×346, 93.5 KiB
640×216, 48.5 KiB
320×108, 16.5 KiB