Stand 101—con t. 
Stand 101 —cont. 
2 
9 
10 
Stand 102 A —cont. 
Small-type Rectifier. For the transformation of near-vertical photographs 
taken over approximately level ground into vertical photographs by 
projective rectification. Used to complete and correct topographic maps 
and to take mosaics for general information. 
Rectifier SEG 1. The instrument operates on the principle of purely 
optical projection and is well suited for the compilation of mosaics and 
maps of level areas from aerial photographs, for the photographic trans 
formation of photographs taken with inclined camera-axes (low and high 
obliques) and from different heights into true verticals of pre-determined 
scale. 
“Multiplex” Stereo Mapping Equipment. Multiple projection instrument 
for making topographic maps on medium and small scales as also for 
carrying out and adjusting aerial triangulations. Especially suited for 
teaching and training purposes. 
Reduction Printer. For the photographic reduction of aerial photographs 
prior to their further processing in the Multiplex, Smalltype Rectifier or 
Stereoplanigraph. 
Automatic Film Developing Equipment. Rewinding type of processing 
apparatus for film strips up to 10 in. wide and 400 ft. long. 
Surveying Instruments 
Level “Ni 060”. For work of lower accuracy. 
Level “Ni 030”. Available either without or with divided glass circle 360° 
(400 g). For work of mean-order accuracy. 
Automatic Level “Koni 007”. With a shock-proof compensator and quick 
damping of oscillation. Far-reaching exclusion of the influences of change 
in temperature on compensator and optics. Upright images available 
without as also with divided glass circle. Built-in parallel plate micro 
meter can be rendered inoperative when using ordinary levelling staves. 
Measuring speed increased by more than 50% which results in a maximum 
of economy. Universal applicability. 
Level “Ni 004”. For levelling and densification of the primary network, 
determination of watermark posts and measuring subsidence in mining 
regions. 
Small-type Theodolite “Theo 120”. New instrument of universal applica 
bility. Well suited for the economical performance of cadastral and 
urban surveys, as also for easier and speedy setting-out work in reallot 
ment and on the building site. In upright as also in hanging position with 
pin and socket joint to be used for complementary measurements in mine 
surveying. 
Tacheometer Theodolite “Theo 020”. A standard-type instrument which 
meets the requirements of all work of the medium class of accuracy as f.i. 
traversing above and under ground, minor triangulation, setting-out 
work and topographic tacheometry. Automatic stabilisation of the 
vertical index, optical ground point plummet built into the alidade. 
Telescope transits on both ends. Optionally: built-in firedamp-proof 
illuminating device. 
Seconds Theodolite “Theo 010”. The only theodolite with mirror-lens and 
centrically arranged ocular built at present in series. Suited without any 
reservation for triangulation work up to the second order, as also for 
precision traversing above and below ground and for astronomical 
conjunction measurements. 
Reducing Telemeter “BRT 006”. For polar measurements in narrow 
environments (municipal surveying), subsidiary traversing and lay-out 
work. Automatic reduction of inclined distances to be rendered inoperative. 
Variable base at observer, thus for distances up to 60 m. a staff is not 
required at the target. Measuring staff for distances up to 240 m. Internal 
focusing type telescope transits on both ends. Reiteration control for 
circle setting. Almost complete elimination of the troublesome deviation 
error occurring in this measuring method. 
Reducing tacheometers “Dahlia 020” and “Redta 002”. Distance 
measuring outfit. 
Activities and Products 
Photogrammetric and geodetic equipment, produced by the Jena Zeiss- 
works, for more than 50 years contributed a decisive share towards 
further development of instrumental outfit, refinement of techniques and 
improvement of measuring results. Important as this province is, it 
represents part only of the broad production programme of the Zeissworks, 
now employing more than 18,000 people. The programme also includes 
Astronomical instruments, Microscopes, Medical instruments, Opto- 
physical and Technical precision measuring instruments, Projection 
instruments, Photographic Lenses and Cameras, and recently Electronic 
Computing Devices. 
Representative in the United Kingdom: 
C. Z. Scientific Instruments, 12 a, Golden Square, London W.l. 
EXHIBITION GUIDE