Triangulation of a Perseid Meteor Using the Zeiss Plate Measuring Machine
Meteor Notes Edited by Tony Markham. John Howarth et al (Crayford Manor House A S ) 1. Background and Aims As a Society Project it was planned to find the height and trajectory of a meteor by photographing it from 2 locations. The images could then be reduced using...

The Hewitt Camera Archive At Crayford
A PDF of the original Paper by John Howarth...