STANDARD METEOROLOGICAL

AND OTHER

PHILOSOPHICAL INSTRUMENTS.

The marginal figures in this List and the numbers of the wood engravings refer to paragraphs in “Negretti & Zambra’s Treatise on Meteorological Instruments.”

£s.d.
4Standard Barometers, Fortin’s arrangement, as Fig. 3 with mahogany board 880
Ditto ditto with Millemetre and English scales 990
Ditto ditto with tube, 0·45 internal diameter and millimetre scale 10100
Observatory Standard Barometers, extra large tubes and cisterns£2500 3500
Ditto ditto arranged for observations being taken by the Cathetometer 18180
Cathetometer, for use with above 2100
9Self Compensating Standard Barometer, Fig. 6 2000
10Standard Barometer, with electrical adjustment 15150
11Pediment Barometers, Fig 7£110 220
Ditto ditto Fig. 8£330 3100
Ditto ditto Fig. 9£4100 5100
Ditto ditto Fig. 10 8100
Ditto ditto ditto handsome carved mountings, in mahogany, oak, or walnut wood £8 8 0£10100 12120
14FitzRoy’s Storm or Sea Coast Fishery Barometer, Fig. 12 550
Ditto ditto with two verniers 660
Ditto ditto mounted in ornamental carved frames, oak, walnut, or mahogany£6100 880
19Marine Barometers, ordinary forms, Figs. 13 and 14 £2 2s.£210s. 330
Ditto ditto Best mounted£55s. 660
20The Board of Trade or Kew Marine Barometer, Fig. 15, £4 4s.£55s. 660
22Negretti and Zambra’s FitzRoy Marine or Gun Barometer, Fig. 16, with N. and Z.’s
Patent Porcelain Scales, as used in Her Majesty’s Navy
5100
Extra Tube for ditto 1150
25Negretti and Zambra’s Farmer’s Barometer or Domestic Weather Glass, Fig. 17 2100
28Negretti and Zambra’s Miner’s Barometers £1 1s.£22s. 330
31Dial or Wheel Barometers, Figs. 18, 19, 20, 21 £3 3s.£44s. 550
Ditto ditto in carved ornamental mountings £5 10s. £6 6s.£88s. 10100
Ditto ditto rosewood, inlaid with pearl or metal. Made to order, Figs. 22 and 23.
Price varying with size, &c.
37Gay Lussac’s Syphon Tube Mountain Barometer£660 880
32Standard Syphon Barometer, Gay Lussac’s arrangement, Fig. 24 550
38Negretti and Zambra’s Standard Mountain Barometer, with Fortin’s cistern,
with tripod stand and travelling case, Fig. 30
10100
34Barograph, or Self-registering Barometer, with syphon mercurial tube.
Negretti and Zambra’s improved arrangement, Fig. 26
18180 2500
Negretti and Zambra’s Self-recording Aneroid Barometer, with Clock 2200
48. ANEROID BAROMETERS.
Aneroid Barometers, with card dials 4½ inches diameter, best quality. 2100
Ditto ditto with silvered metal dial 300
Ditto ditto with ditto and thermometer 3100
Ditto ditto ditto with corrected scale, as supplied by Negretti and Zambra to the Royal Navy 550
Aneroid Barometers, with elegantly-chased dials 440
Ditto ditto with raised ring on dial 550
Ditto ditto ditto with thermometer 660
Aneroid Barometer, for altitude measurements with revolving ring, carrying index, range of scale
20,000 feet 4½ inches diameter, with magnifier
880
POCKET ANEROID BAROMETERS. Fig. 34.
49Pocket Aneroid Barometer, 2¾ inches diameter, with silvered metal scale 330
Ditto ditto for measuring altitudes to 10,000 feet compensated for temperature, in leather case 550
Ditto ditto ditto to 20,000 feet, with magnifier 660
50WATCH-SIZE ANEROID BAROMETERS in gilt metal cases (see figure 35.)
Watch-Size Aneroid Barometer, weather range£330 440
Ditto ditto of best construction, extra thin, for meteorological observations
or altitude measurements to 10,000 feet
550
Ditto ditto ditto to 20,000 feet, compensated for temperature 660
Either of the above Watch-size Barometers may be had in Stout Silver Cases at a cost of £2 2s. extra
Watch-size Aneroid Barometers in Solid Gold, highly-finished cases. £15 15s. to £21.
Table Stands for Aneroid Barometers of Carved Oak or other woods,
10s. 6d., 25s., 35s., to £5 5s.
Ships’ Aneroid Barometers, in suitable mountings £2 10s. £3 3s. £5 5s. £6 6s.
47Sympiesometer, for Ship use£330 4100
Ditto ditto Pocket form, Fig. 32 440
The Sympiesometer is now rarely used, the Aneroid Barometer being found
equally sensitive and less liable to derangement.
56Independent Standard Thermometers, Fig. 36 550
57Standard Thermometers, for Boiling Point Apparatus 1100
Chemists’ or Brewers’ Standard Reference Thermometers£11s. 220
47Chemical Thermometers, divided on the stem. Fig. 48. 10s.6d. 0150
Chemical Thermometers, Boxwood Scale 7s. 6d. 10s.6d. 0126
64Thermometers on Boxwood Scales, Fig. 37. 1s. 1s. 6d. 2s. 6d. 3s.6d. 046
Ditto ditto larger sizes 7s.6d. 0126
Ditto ditto Engraved glass scales, Fig. 39 15s. £1 1s.£15s. 1100
POCKET THERMOMETERS, IN VARIOUS MOUNTINGS.
Fig. 38 10s. 6d. Fig. 40 10s. 6d. 15s. Fig. 41 5s. 6d. 8s. 6d. 12s. 6d.
63Thermometers of extreme Sensitiveness, 15s.£110s. 220
Drawing Room or Mantel Thermometers, various mountings, Figs. 42 and 43.
12s. 6d. 15s. £1 1s. £1 10s.
£22s. 2100
Bracket Window Thermometers, Fig. 46 12s. 6d. 15s.£11s. 1100
Bath Thermometers, Figs. 44 7s.6d.0150
66Sugar Boiling Thermometers £1 12s.£22s. 330
67Earth Thermometers, Fig. 51£110s. 220
Hot Bed Ditto 12s. 6d.£15s. 1100
68Marine Thermometer, Fig. 52 7s. 6d. 8s.6d. 0106
65Super Heated or Steam Pressure Thermometers, Fig. 74, Figs. 49 and 50 £1 5s. £1 10s.£22s. 2100
SELF-REGISTERING THERMOMETERS FOR HEAT.
72Negretti and Zambra’s Patent Standard Maximum Self-Registering Thermometer,[21] Fig. 54 110
72Negretti and Zambra’s Patent Maximum Thermometer, on boxwood scale 0106
Ditto, ditto, on Negretti and Zambra’s Patent Solid Porcelain or Metal Scales on oak mounting 0126
70Rutherford’s Maximum Thermometer, on boxwood or metal scale, with steel index 5s. 6d. 7s.6d. 0106
71Phillip’s Maximum Thermometer, on boxwood or metal scale, with air index 7s. 6d. 106 0126
SELF-REGISTERING THERMOMETERS FOR COLD.
73Negretti and Zambra’s Standard Minimum Self-Registering Thermometer, Fig. 55 110
73Rutherford’s Minimum Thermometer, on boxwood or metal scale 3s. 6d. 5s. 6d. 7s.6d. 0106
73Rutherford’s Minimum Thermometer, on Negretti and Zambra’s Patent solid porcelain scale 10s.6d. 0126
Ditto, on Negretti and Zambra’s porcelain or metal scales and oak mounting 0126
74Negretti and Zambra’s Horticultural Self-Registering Thermometer. The scale is made of
stout zinc, enclosing the tube; the figures and divisions are boldly marked for quickly and easily
reading the indications, Fig. 56
036
83Negretti and Zambra’s Patent Solar Radiation Thermometer, Fig. 63 150
84Ditto, ditto, ditto, in vacuo, Fig. 64 1100
Ditto, ditto, ditto, improved form, with test gauge 220
85Negretti and Zambra’s Terrestrial Radiation Thermometer 150
Brass Stands for above, Fig. 65 050
76 and 77Negretti and Zambra’s Patent Mercurial Minimum Thermometers£210s. 220
81Maxima and Minima Thermometers, on Sixe’s arrangement, Fig. 62, various forms of mounting
12s. 6d. 14s. 21s.
30s. 220
Pocket Maxima and Minima Thermometers, Negretti and Zambra’s Patent, in convenient cases£22s. 2100
89Deep Sea Registering Thermometer, with Negretti and Zambra’s improved protected bulb,
in copper cylinder, Fig. 69.
2100
89[21]Negretti and Zambra’s Improved Deep Sea Thermometer, with vulcanite mountings,
in copper cylinder, with door, small size
250
90Negretti and Zambra’s Patent Recording Deep Sea Thermometer 10100
91Ditto, ditto, ditto Recording Thermometer 440
92Ditto, ditto, ditto Hygrometer 660
93Improved Boiling Point Mountain Thermometer, or Hypsometric Apparatus, with Tables, Figs. 72 and 73,
in leather case with strap
550
Extra Thermometer for Ditto 1100
106Negretti and Zambra’s Standard Wet and Dry Bulb Hygrometer, Fig. 79 220
Wet and Dry Bulb Hygrometers, various mountings 30s. 25s. 21s. 14s. 0106
Pocket Hygrometers, in box£22s. 2100
103Daniell’s Hygrometer, Fig. 77 330
104Regnault’s Hygrometer, Fig. 78£310s. 550
Aspirator for Ditto£115s. 2150
110Howard’s Rain Gauge, has a 5-inch copper Funnel, with turned brass rim fitted to a stout stone-ware or
glass bottle, with a graduated glass measure, divided to 100ths of an inch
0106
Symons’ Portable Rain Gauge, (5-inch) with graduated glass measure, japanned tin 0106
Ditto ditto in stout copper 0150
111Glaisher’s Rain Gauge, the receiving surface is 8-inches diameter, of stout japanned metal,
with graduated glass measure, Fig. 84
110
Ditto ditto, of stout copper 1100
Receiving Pots for ditto, extra 2s. and 3s. 6d.
113Rain Gauge, having a receiving surface of 12 inches diameter, and graduated glass gauge tube, divided to
hundredths of an inch, in japanned metal, with brass tap
2100
Ditto ditto, Fig. 85, in copper 3100
Ditto ditto, with sliding rod instead of graduated tube, japanned tin 220
Rain Gauges, of any form or area made to order, with suitable measuring glasses.
123Lind’s Anemometer, Fig. 86 220
125Robinson’s Anemometer, Fig. 87 330
Ditto ditto, Improved arrangement£410s. 5150
Ditto ditto, with clutch movement, Fig. 88 6150
Negretti and Zambra’s Improved Air Meter, of extreme sensitiveness, very portable 440
Large Air Meters made to order.
127Osler’s Self-Registering Anemometer and Rain Gauge, Fig. 89£84 to 15000
128Berkley’s Anemometers fitted up to order, to suit the Observatory.
131Gold Leaf Electrometer, Fig. 90 110
133Peltier’s Electrometer 440
134Bohnenberger’s Electroscope, Fig. 91 880
135Thompson’s Electrometer, to order
Lightning Conductors fitted up to order.
142Ozone Cage, Fig. 92 0180
Ditto ditto, copper 150
146Leslie’s Differential Thermometer, Fig. 93£110s. 220
148Thermometer Stand (Glaisher’s) 330
149Thermometer Screen for Sea use 330
150Anemoscope, or Portable Vane, Fig. 94 250
151Evaporating Dish, Fig. 95 126
157Sea Water Hydrometers, Board of Trade Marine, Figs. 96 and 97 056
158Newman’s Self-Registering Tide Gauge, Fig. 158, fitted to the Building to order From5000

Further Information as to Price, &c., will be found in
NEGRETTI & ZAMBRA’S
ENCYCLOPÆDIC CATALOGUE
OF
MATHEMATICAL, PHILOSOPHICAL, OPTICAL, PHOTOGRAPHIC,
AND
STANDARD
METEOROLOGICAL INSTRUMENTS,
Containing very numerous Comparative Tables of Reference,
and Illustrated by upwards of

ELEVEN HUNDRED ENGRAVINGS.
Royal 8vo. Cloth, Gilt Lettered—Price 5s. 6d.


Footnotes:

[1] Second Number of “Meteorological Papers,” issued by the Board of Trade.

[2] With reference to these barometers, we have received the subjoined testimonial, with permission to use it as we please.