Subject: Descriptions and Co-ordinates of the Principal and Secondary Stations and Other Fixed Points of The Madras Longitudinal Series or Series G of the Southern Trigon.
Publisher: Printed at the Office of the Trigonometrical Branch, Survey of India
Subject: Natural sciences; Includes discussions on growth in Swiss forests, zoological studies, chemical investigations, botany, geographical notes on Swiss cultural history, geology, etc.
Subject: Natural Sciences; Includes studies on color organization, snow growth, natural flights, Föhn theory, groundwater systems, ossification studies, bird migration, construction considerations, and logic and mathematics.