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Mance Heliograph 5" Mark V 1909
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Mance Mark V Heliograph, Simplex Configuration
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Mance Mark V Sight Arm
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Front and Back of Helio Carry Case
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Sides of Case for Mance Heliograph Mark V 1909
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Mance Heliograph 5" Spare Parts List
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Heliograph Spare Parts List
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Tool, Adjusting, 5 Inch Helio
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Heliograph Screws on Brass Plate