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W. & L.E. Gurley 1878 Price List
of Surveying Instruments

SOLAR COMPASS
Solar Compass with adjusting socket and leveling head tripod$210
Micrometer telescope, 16 to 20 inches long, with rack movement$25
PATENT SOLAR ATTACHMENT FOR TRANSITS
Patent solar attachment$60
Vertical arc on silver, with vernier, movable by tangent screw,
reading to 30 seconds.
$18
COMPASSES
Plain, with Jacob staff mountings, 4 inch needle and outkeeper. $25
Plain, with Jacob staff mountings, 5 inch needle and outkeeper. $30
Plain, with Jacob staff mountings, 6 inch needle and outkeeper. $35
Vernier, with Jacob staff mountings, 4 inch needle and outkeeper. $30
Vernier, with Jacob staff mountings, 5 inch needle and outkeeper. $35
Vernier, with Jacob staff mountings, 6 inch needle and outkeeper. $40
Railroad, with Jacob staff mountings, single vernier to limb,
5 1/2 inch needle.
$60
Railroad, with Jacob staff mountings, double vernier to limb,
5 inch needle.
$70
Railroad, with Jacob staff mountings, double vernier to limb,
5 1/2 inch needle.
$75
POCKET COMPASSES
With folding sights, 2 1/2 inch needle$8
With folding sights, 2 1/2 inch needle, with Jacob staff mounting$10
With folding sights, 3 1/2 inch needle, with Jacob staff mounting$12
With folding sights, 3 1/2 inch needle, with Jacob staff mounting and two levels$13.50
With folding sights, 2 1/2 inch needle, without mounting or levels$10
Vernier pocket compass with staff mountings, 2 levels, 3 1/2 inch needle$16
Vernier pocket compass with staff mountings, 2 levels, 4 1/2 inch needle$18
Railroad pocket compass, folding sights, staff mounting, 3 1/2 inch needle$23
MINER'S COMPASSES
Miner's compass or dipping needle for tracing iron ore
Glass on both sides, wood box, stop to needle$12
Glass on both sides, brass cover, stop to needle$12
Glass on one side, brass cover, stop to needle$12
Above compasses without stop to needle$10
TRANSITS
Vernier, plain telescope, 4 inch needle, with compass tripod$70
Vernier, plain telescope, 5 inch needle, with compass tripod$70
Vernier, plain telescope, 6 inch needle, with compass tripod$75
Surveyor's plain telescope, 4 inch, single vernier to limb, leveling tripod$110
Surveyor's plain telescope, 5 inch, single vernier to limb, leveling tripod$115
Surveyor's plain telescope, 5 1/2 inch, single vernier to limb, leveling tripod$115
Surveyor's plain telescope, 4 inch, double vernier to limb, leveling tripod$125
Surveyor's plain telescope, 5 inch, double vernier to limb, leveling tripod$130
Surveyor's plain telescope, 5 1/2 inch, double vernier to limb, leveling tripod$130
Engineer's plain telescope, 4 inch, double vernier to limb, leveling tripod$145
Engineer's plain telescope, 4 1/2 inch, double vernier to limb, leveling tripod$150
Engineer's plain telescope, 5 inch, double vernier to limb, leveling tripod$150
Engineer's plain telescope, 5 inch, with theodolite axis$185
Light mountain, 4 inch, double vernier to limb, patent extension tripod$150
Light mountain, 4 inch, double vernier to limb, with level, vertical arc, clamp, and tangent to axis of telescope, and solar attachment, complete$245
Light reconnoissance, 3 1/2 inch needle, one vernier to limb, variation plate and patent extension tripod$90
LEVELING INSTRUMENTS
Sixteen inch telescope with leveling tripod$110
Eighteen inch telescope with leveling tripod$110
Twenty inch telescope with leveling tripod$110
Twenty-two inch telescope with leveling tripod$115
Fifteen inch Y level with leveling tripod, new pattern$90
Architect's level$35

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