These wires were then reannealed at 7000 C. for one-fourth hour in a lead bath. m. APPARATUS. A double-wound ... The arrangement of samples in the furnace is as shown in the wiring diagram given below (fig. 2). A length of 1 to 2 cm of the anbsp;...
Title | : | Aberrations of Long Focus Anastigmatic Photographic Objectives |
Author | : | Alva Herschell Bennett |
Publisher | : | - 1924 |
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