BG STUDENT PLANETARIUM- Three Globe Model-
All plastic very superior (Export Quality) with light

BG-1 SOLAR SYSTEM MODEL: A three dimensional model of the sun and planets teaches planet identification, sizes, distances, and colours. The planets may be set by month to show their relative positions. A sturdy base supports the 6-in. diameter sun with the outer planet 18 inches from the sun. Illustrated Study Guide includes planet position tables. All plastic, very superior quality

----- do---- but with electric bulb fitting to illuminate the Sun

BG-lB SOLAR SYSTEM MODEL -Same as above but with electric bulb fitting to illuminate the Sun

BG-2 SOLAR & LUNAR ECLIPES : All plastic very superior

BG-3 DAYAND NIGHT: very superior

BG-4 THE SOLAR SYSTEM: A unique idea showing the revolution of the planets around the Sun. Superior quality with all Nine planets with an electric bulb fitting for representing the sun

BG-5 THE SOLAR SYSTEM : Same as above but economical model

BG-6 STANDARD TIME INDICATOR: Comprising a terestrial globe with a ring all round, graduated in hours and parts

BG-7 SOLAR & LUNAR ECLIPSES: A simple model to show how Solar and Lunar eclipses are formed. Complete with candle holder

BG-8 UNIVERSAL SUN DIAL - with levelling screws, Graduated Scale Protractor & a clamp to fix the Gnoman

BG-9 PHASES OF THE MOON

BG-8 APPARATUS DAY & NIGHT - Consists of a 12 cm. dia. Political Globe, capable of rotation round its axis, with a candle holder

BG-10 SEASONS APP. SET OF 4 GLOBES. The four Globes of four different colours with inclined axis, always pointing in the same direction, with candle to represent Sun in centre of metal disc, 25 cms in diameter

BG-11 APPARENT PATH OF THE SUN - The apparatus has a metal ring with movable globe & a protractor adjustable in any direction on stand.

I . BG- 12 APPARATUS GEOGRAPHICAL MERIDIAN OF A PLACE

BG-13 SEXTANT MODEL - with frame, divided arc fitted with vernier, reading to

1 -10 degree sighting hole, glass mirror

BG-14 STUDENTS PLANETARIUM - Hand Driven. The position & motion of the Earth and venus around the Sun is nicely demonstrated. The Earth moves around the Sun. It also rotates on its own axis. The Moon moves in its orbit around the Earth and vemis follows its path around the Sun.

BG-l 4 THEODOLITE MODEL -

NEWLY INTRODUCED SLIDE SETS

95. Rivers from source to mouth :- A collection of 40 colour slides illustrating the development of embryonic river systems, their erosive power, evolution and geomorphic importance. detailed treatment of gullies, types of river valley, mechanics of erosion, transportation of sediments, sedimentary features and specific landform with Text in plastic jacket Set of 40 Slides

Active Faults :- An interesting combination of classic and finely detailed scenes along the San Andreas and associated faults to illustrate the dynamic nature of these major lines of geological weakness with Text in plastic jacket Set of 40 Slides