Title: Weighing by substitution,
Authors: Briggs, C. A. 1883-; Gordon, Edward David, 1891-; Gordon, Edward David, 1891-
Publisher: Govt. Print. Off.,
Year: 1922
Subjects: Weights and measures
Contents: General scheme of weighing by substitution -- Preparation of the scale for weighing -- Provision for reading the position of the beam -- Choice of the ruled scale -- Readings should increase with weight -- Avoidance of parallax -- The estimation of tenths -- Period of vibration of the beam -- The rest point explained -- Determination of the rest point -- Use of even values in rounding-off figures -- Unnecessary to divide by 2 -- Sensibility reciprocal -- Positions of center balance determined by computation -- Record form and computation sheet -- Summary.