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Sextant Model . (CAT-1215)
Sextant Model . (CAT-1215)
Standard Time Indicator. (CAT-1214)
Standard Time Indicator. (CAT-1214)
Apparatus to explain the Tides. . (CAT-1213)
Apparatus to explain the Tides. . (CAT-1213)
Map project app. all wood complete Wire Globe Candle holder. . (CAT-1212)
Map project app. all wood complete Wire Globe Candle holder. . (CAT-1212)
New School Tellurian with Metal base. . (CAT-1211)
New School Tellurian with Metal base. . (CAT-1211)
School planitorium . (CAT-1210)
School planitorium . (CAT-1210)
Same as above but small. . (CAT-1208)
Same as above but small. . (CAT-1208)
Day and Night App. with Electric arrangement. . (CAT-1206)
Day and Night App. with Electric arrangement. . (CAT-1206)
Same as above but Gear Mechanism and driven by Electric Motor (CAT-1204)
Same as above but Gear Mechanism and driven by Electric Motor (CAT-1204)
Four Globe apparatus (Season app) with Bulb Holder (CAT-1203)
Four Globe apparatus (Season app) with Bulb Holder (CAT-1203)
Same as above but Electrical Working Model (CAT-1202A)
Same as above but Electrical Working Model (CAT-1202A)
Solar and Luner eclipse quality DUCO painted. with Bulb Holder (CAT-1200)
Solar and Luner eclipse quality DUCO painted. with Bulb Holder (CAT-1200)
Power Supply for Millikan's Oil Drum Apparatus L.T. Voltage/Current : 6.3 V AC /1 Amp. (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus L.T. Voltage/Current : 6.3 V AC /1 Amp. (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus H.T. Voltage/Current : 0-300 V DC/10mA, (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus H.T. Voltage/Current : 0-300 V DC/10mA, (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus L.T. Voltage/Current : 6.3 V AC /1 Amp. (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus L.T. Voltage/Current : 6.3 V AC /1 Amp. (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus H.T. Voltage/Current : 0-300 V DC/10mA, (CAT-120)
Power Supply for Millikan's Oil Drum Apparatus H.T. Voltage/Current : 0-300 V DC/10mA, (CAT-120)
.Stage Clip for Microscope (CAT-1199B)
.Stage Clip for Microscope (CAT-1199B)
Arc Holder for Reflector (CAT-1199A)
Arc Holder for Reflector (CAT-1199A)
Reflector for Microscope, 50mm sup. quality w/o holder (CAT-1199)
Reflector for Microscope, 50mm sup. quality w/o holder (CAT-1199)
Quartz prisms equilateral size (Double Refracting Prism) 25x25mm (CAT-1197)
Quartz prisms equilateral size (Double Refracting Prism) 25x25mm (CAT-1197)
Quartz prisms equilateral size (Double Refracting Prism) 18 x18mm (CAT-1197)
Quartz prisms equilateral size (Double Refracting Prism) 18 x18mm (CAT-1197)
Quartz prisms equilateral size (Double Refracting Prism) 12.5x12.5 mm (CAT-1197)
Quartz prisms equilateral size (Double Refracting Prism) 12.5x12.5 mm (CAT-1197)
Prisms optically worked for spectrometer equilateral two faces polished 38x38 mm H.T Double extra dense flint (CAT-1196)
Prisms optically worked for spectrometer equilateral two faces polished 38x38 mm H.T Double extra dense flint (CAT-1196)
Prisms optically worked for spectrometer equilateral two faces polished 38x38 mm H.T Extra dense flint glass prism (CAT-1196)
Prisms optically worked for spectrometer equilateral two faces polished 38x38 mm H.T Extra dense flint glass prism (CAT-1196)