Did you know the first six instruments made by C.L. Berger did not have serial numbers (4 transits, a dumpy level and a wye level) and Berger's first two instruments he made were a No. II Transit and …
In this video, we are discussing about the temporary adjustment of a dumpy level like ( Approximate levelling, focusing the eyepiece, object glass etc.) The below methods of levelling is also discusse…
Rise and fall method in Surveying RL(Reduced Level) of point in method of RL Leveling method by autolevel or Dumpy Level in Surveying This topic and problem is most important for field or site and In …
Added by ⚡Survenator⌁ at 2:16pm on November 28, 2017
Hie fellow surveyors. I have faced another challenge again and need your advice. I don't know if anyone here has used the same machine, I am using an Optron Focus robotic total station for setting out…
WOW! GORGEOUS! 122 years old! 19 1/2" across by 9" tall.Case and plumbbob. Half is made of bronze and half is brass.Disassembled, cleaned,polished, oiled.Tape measure for size reference only.Will be d…