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RG5070
Barometer, Fortin’s
With tube of about 5 to 6 mm bore. The scales are graduated
on nickel plated brass tube, protected by a glass sheath,
with verniers reading to 0.002 inch and 0.05 mm. The verniers
are actuated by rack and pinion. Scale reads from 25 to
32 inches and from 635 to 810mm. Mounted on a polished
wooden board. Supplied without mercury and glass tube. |
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RG5071
Barometer, Aneroid
Excellent quality. With a 100mm diameter dial graduated
from 960 to 1070hPa. Provided with an index pointer. Covered
with a glass cover and mounted on a wooden base. |
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RG5074
Thermometers, Mercury
Precisely graduated mercury thermometers. Non rolling.
Diameter 6.5mm. Length 300mm.
Range Sub. Div.
| -01 |
10 to 110°C 1° |
| -02 |
10 to 150°C 1° |
| -03 |
10 to 250°C 1° |
| -04 |
10 to 360°C 1° |
| -05 |
0 to 220°F 1° |
| -06 |
10 to 110°C to 220°F 1° |
RG5075 Thermometers,
Red Spirit
Precisely graduated red spirit thermometers. Non rolling.
Diameter 6.5mm. Length 300mm.
Range Sub. Div.
| -01 |
10 to 50°C 0.5° |
| -02 |
10 to 50°C 1° |
| -03 |
10 to 110°C 1° |
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RG5077
Thermometers,
Maximum/Minimum Mercury filled thermometer. Easy to read
scales in both Celsius and Fahrenheit. Provided with wall
mounting slot. Range -30 to 60°C and -20 to 140°F. |
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RG5078
Thermometers, Wall
Economy thermometer. A plastic case protects the bulb
and the tube. Filled with red alcohol for easy reading.
Range -10 to
50°C and 0 to 120°F. |
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RG5080
Hygrometer, Dry & Wet Bulb
Consists of two thermometer tubes graduated from -10 to
50°C.
One thermometer bulb is connected to a water tank for
keeping it moist. |
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RG5085
Magnifier, Reading
Magnifier lenses in nickel plated frame with handle. Available
in 38mm and 50mm diameters with 2.5X magnification, 75mm
diameter 2X magnification and 100mm diameter 1.5X magnification.
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Diameter |
Focus mm |
| -01 |
38 |
100 |
| -02 |
50 |
100 |
| -03 |
75 |
150 |
| -04 |
100 |
200 |
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RG5086
Magnifier, Reading
Magnifier lenses in nickel plated frame with plastic handle.
Available in 38mm and 50mm diameters with 2.5X magnification,
75mm diameter 2X magnification and 100mm diameter 1.5X
magnification.
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Diameter |
Focus mm |
| -01 |
38 |
100 |
| -02 |
50 |
100 |
| -03 |
75 |
150 |
| -04 |
100 |
200 |
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RG5088
Magnifier, Dual
Very flexible dual magnifier. Made of plastic. Consists
of a 36mm diameter lens with magnification 5X and a 17mm
diameter lens with magnification 2.5X. Overall length
100mm. |
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RG5090
Magnifier, Folding
Pocket type with 40mm diameter lens mounted in a leather
case that also serves as handle. Magnification 3X.
RG5091 Magnifier, Folding
Pocket type giving tolerable flat field with minimum chromatic
aberration. Double lens system in plastic mount. Lens
diameter 16mm. Magnification 10X.
RG5092
Magnifier, Folding
Pocket type with 27mm diameter lens mounted in a plastic
case. Magnification 4X. |
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RG5093
Magnifier, Folding
Pocket type giving tolerable flat field with minimum chromatic
aberration. Triple lens system in metal mount. Lens diameter
15mm. Magnification 10X. |
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RG5095
Magnifier, Watch Maker
Magnification 1.8X. Glass lens in plastic mount. |
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