Comprising A Glass U-Tube 50 Cm Long X 1 Cm Dia. Mounted On One Side Of The Stand. Hare's Apparatus Consisting Of A Three Limbed Tube, The Central Limb Fitted With Rubber Tubing And Mohr Clip And The Two Outer Limbs Connected To Glass Tubes
40 Cm Long X 1 Cm Dia. Mounted On The Other Side, Provided With Pointers.