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Outils d'enregistrement	Détails Retirer de la sélection Ajouter à la sélection Titre Kenneth Wolf and an unidentified man polishing mirrors in the Optical Shop. Référence APHP.S6.F1.5 Etendue et contenu Wolf (right) appears to be polishing an 8" mirror and the unidenfied man (left) appears to be polishing a 6" mirror. The cleats on the barrel tops indicate that they are polishing rather than grinding. The barrels were 55 gallon drums filled with sand from nearby 12th Street Beach to keep them stable. The black stands at the righ of the image t are components of the Hindle Test for classical Cassegrain secondary mirrors. Description physique One 8 x 10 inch black and white print ISBN Adler Planetarium & Astronomy Museum -- Optical Shop, Amateur telescope makers Chicago (Ill.) Kenneth Wolf graphic material Niveau de description ITEM Navigateur hiérarchique Adler Planetarium Historic Photographs COLLECTION contient 12 [fr-FR]parts Public Programs and Members' Events SERIES contient 8 [fr-FR]parts Optical Shop FILE contient 21 [fr-FR]parts Kenneth Wolf and an unidentified man polishing mirrors in the Optical Shop. ITEM

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Titre
Kenneth Wolf and an unidentified man polishing mirrors in the Optical Shop.
Référence
APHP.S6.F1.5
Etendue et contenu
Wolf (right) appears to be polishing an 8" mirror and the unidenfied man (left) appears to be polishing a 6" mirror. The cleats on the barrel tops indicate that they are polishing rather than grinding. The barrels were 55 gallon drums filled with sand from nearby 12th Street Beach to keep them stable. The black stands at the righ of the image t are components of the Hindle Test for classical Cassegrain secondary mirrors.
Description physique
One 8 x 10 inch black and white print
ISBN
Adler Planetarium & Astronomy Museum -- Optical Shop, Amateur telescope makers
Chicago (Ill.)
Kenneth Wolf
graphic material
Niveau de description
ITEM

Navigateur hiérarchique