Rafaerial Collection

The Burchall Photographic Slide Rule for 5X4 Inch Plate ?
The Burchall Photographic Slide Rule for 5X4 Inch Plate Camera Using Altitude, Lens Focal Length and Ground Speed - Early Years of Aerial-Photography History - Instructions, Equipment Date: 1920s

Psg30 Technique for Vertical Or Plan Mapping Aerial Phot?
Psg30 Technique for Vertical Or Plan Mapping Aerial Photography to Avoid Bad Results - Early Years of Aerial-Photography History - Instructions Date: 1910s

Areas Covered at Different Heights for 1: 20, 000 Scale Ve?
Areas Covered at Different Heights for 1:20, 000 Scale Vertical Images - Early Years of Aerial-Photography History - Instructions Date: 1910s

Psg43 Lesson on Identification and Labelling of Vertical?
Psg43 Lesson on Identification and Labelling of Vertical Aerial Photography and Mapping Pictures Using Uxbridge As an Example - Early Years of Aerial-Photography History - Instructions

Glass Plate Negative Developing Instructions - Early Yea?
Glass Plate Negative Developing Instructions - Early Years of Aerial-Photography History - Instructions Date: 1910s

Technique Instructions for Overlapping Photos in a Mosai?
Technique Instructions for Overlapping Photos in a Mosaic Pattern for Aerial Photography Mapping - Early Years of Aerial-Photography History - Instructions Date: 1910s

Technique Instructions for Labelling and Identification ?
Technique Instructions for Labelling and Identification of Overlapping Photos for Aerial Photography Mapping - Early Years of Aerial-Photography History - Instructions Date: 1910s

Psg31 Tables and Diagrams Showing Time Intervals of Expo?
Psg31 Tables and Diagrams Showing Time Intervals of Exposure to Give a 3Inch Overlap on a 5X4Inch Negative with an 8Inch Lens for Stereoscopic Aerial Photographs

Aerial Photography Instructions on Techniques for Lette?
Aerial Photography Instructions on Techniques for Lettering Negatives / Captioning and Etching Dates / Data / Information Onto Glass Plates - Early Years of Aerial-Photography History - Instructions

Psg28 Instructions for Technique of Overlap Mapping Aeri?
Psg28 Instructions for Technique of Overlap Mapping Aerial Photographs - Early Years of Aerial-Photography History - Instructions Date: 1910s

Psg25 Technique for Vertical Or Plan Mapping Aerial Phot?
Psg25 Technique for Vertical Or Plan Mapping Aerial Photography to Avoid Bad Results - Straight and Level Or Banking - Early Years of Aerial-Photography History - Instructions Date: 1910s

Technique Instructions for Overlapping Photos with an 8 ?
Technique Instructions for Overlapping Photos with an 8 Inch Lens for Aerial Photography Mapping - Early Years of Aerial-Photography History - Instructions Date: 1910s

Diagrams to Show Aerial Photography Camera Lens Angles o?
Diagrams to Show Aerial Photography Camera Lens Angles of Coverage Variables - Early Years of Aerial-Photography History - Instructions Date: 1910s

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