TM5-6675-296-14
b. Tabulated Data
1-8. Differences Between Models
General.
a. This manual covers the Wild Heerbrugg
Manufacturer
.
.
.
.
Wild Heerburgg Ltd. Heer-
T2-56-M-MIL,
T2-56-MIL,
Models
brugg, Switzerland
Model
.
.
.
.
.
T2-56-C-MIL-
T2-63MIL, T 2 - 6 6 - C - M I L a n d T 2 - 6 8 M I L
T2-56-M-MIL, T2-63MIL,
T h e o d o l i t e and the Reference Theodolite
T2-66-C-MIL, T2-67MIL,
T2-67MIL, with modified models (above).
T2-68MIL
Instructions are similar for all models unless
Telescope . . . . . . . . . . . . . . . . . .. 28X
otherwise specified. Known differences are in-
Telescope length . . . . . . . . . . ..5.9in. (15cm)
Shortest focusing distance 4.5 ft. (1.37m)
dicated ill paragrahps below.
Longest aiming distance at
b. The Model T2-56-C-MIL Theodolite comes
which centimeter can be read 1,000 ft. (305 m)
Longest aiming distance at
c. The Model T2-63MIL, T2-66-C-MIL, and
465 ft. (141.8m)
which mil can be evaluated
T2-67MIL Theodolites are equipped with a rear
Normal range . . . . . . . . . . . . . ..6 to l2 miles (9.65Km to
19.3 Km)
sight on the telescope.
Diameter of field . . . . . . . ...29 ft. at 1,000 ft. (8.8m at
d. The Model T2-68MIL Theodolite tribrach
305m)
uses a clamp knob arrangement for locking, all
Accuracy of circle readings . . 0.002" Mils.
others use a lock lever.
Addition constant . . . . . . . ...0
e. Three arrangements of microscope and
Glass circles . . . . . . . . . . . . . . ..6.400 mile
telescope eyepieces are used. The Models
Sensitivity of plate level . . . . . . 20 sec. per 2 mm
T2-56-C-MIL, T2-56-M-MIL eyepieces are the
same; Models T2-63MIL, T2-66-C-MIL, and
Graduation
interval of
T 2 - 6 7 M I L eyepieces are the same. Model
horizontal circle . . . . . . . . . . . 0.2mil
Graduation interval of vertical
T2-68MIL eyepiece is arranged differently than
circle . . . . . . . . . . . . . . . . . . . . . 0.2mil
the others.
Magnification of microscope . . 30 diameters, plus or minus 2
1-9. Tabulated Data
Lamp . . . . . . . . . . . . . . . . . . . . . . 21/2 v (3 amp) miniature
a. Identification. The theodolite and carrying
screwbase
case have the following identification markings:
Battery . . . . . . . . . . . . . . . . . .. BA 30
(1) Theodolite. The manufacturer's name,
(2) Dimensions and Weights.
model, and serial number are engraved on the
Tripod
u-standard.
Extended . . . . . . . . . . . . . . . . . 63 in. (1.6m)
(2) Carrying Case Hood. The manufacturer's
Folded . . . . . . . . . . . . . . . . . . . 38.5 in. (0.98m)
model and serial number are stenciled on the
Weight . . . . . . . . . . . . . . . . . . . . 14.41b. (6.5Kg)
carrying case of the hood.
Theodololite . . . . . . . . . . . . . . . . 12.31b. (5.6Kg)
Shipping case w/theodolite . 36 lb. (15.9 Kg)
Carrying case . . . . . . . . . . . . . 4.8 lb. (2.2Kg)
Shipping crate w/tripod,
battery box, accessory case,
and field pack . . . . . . . . . . . . . 82 lb. (37.2Kg)
1-5