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The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...
Turning is a term used when referring to moving the level to take an elevation shot from a different location. To "turn" the level, one must first take a reading and record the elevation of the point the rod is located on. While the rod is being kept in exactly the same location, the level is moved to a new location where the rod is still visible.
In 1914 and 1915, the Forestry Quarterly published a series of articles on the use of the Abney level. [6] [7] [8] These tutorial articles remain useful today, but the primary reference for usage is the 1927 Abney Level Handbook. [3] The Abney level is typically used at the eye height of the surveyor, either hand-held or mounted on a staff at ...
4) Use a Fleshlight (or another masturbation sleeve). Sex toys aren't just for people with a vulva. For penis-owners, Emily Morse, a sex expert and host of the popular podcast Sex with Emily ...
A couple in Australia have been accused of faking their young son's cancer diagnosis "It will be alleged that the accused shaved their 6-year-old child’s head, eyebrows, placed him in a ...
The prominence of a peak is the minimum height of climb to the summit on any route from a higher peak, or from sea level if there is no higher peak. The lowest point on that route is the col . For full definitions and explanations of topographic prominence , key col , and parent , see topographic prominence .
Image credits: Ssiscool To understand how mistakes like these slip past countless pairs of eyes and make it into the final cut, Bored Panda reached out to Aimie Smith, a 21-year-old film student ...
Level (optical instrument), a device used to measure true horizontal or relative heights; Spirit level or bubble level, an instrument designed to indicate whether a surface is horizontal or vertical; Canal pound or level; Regrading or levelling, the process of raising and/or lowering the levels of land; Storey or level, a vertical unit of a ...