1936 Newspaper Appraisals

Circa 1935 Hall "Crocus" Patterned UV Reactive Mixing Bowl

Testimonial Pamphlet: What Famous People Think of 'YOGODA' (circa 1926)

Holmes-Pollock Letters: The Correspondence of Mr Justice Holmes and Sir Frederick Pollock 1874-1932

Centenaire de la Découverte de la Pile Voltaïque - Como 1900 October (Les Maîtres de l’Affiche Plate 196)