| |
Click to Enlarge
|
Magnet U Shaped (SI-PH-1121)
Magnetized alnico block, red pointed, attached to cadmium plated and passivity parallel mild steel pole pieces. Each pole piece having a hole for attachment of auxiliary pole piece
|
|
| |
| |
|
|
Click to Enlarge
|
Magnetic Compass (SI-PH-1122)
In this compass the accurately balances needle is provided working on a hard red steel pivot. The unit is mounted in an Aluminum case with glass top and bottom diameter 20mm
|
|
| |
| |
|
|
Click to Enlarge
|
Magnetic Needle (SI-PH-1123)
For Magnetic needle, with plastic base 72mm diameter approx and 6mm diameter pillar supporting on steel needle pivot. Overall height of stands 100mm approx
|
|
| |
| |
|
|
Click to Enlarge
|
Magnetometer Deflections (SI-PH-1124)
It consists of a compass box. Fitted on a polished teak wood base of special construction to avoid warping, with hard wood
Millimeter scale. Removable compass box with out magnet
|
|
| |
| |
|
|
Click to Enlarge
|
Magnifier Lens (SI-PH-1125)
Brass Frame and Iron/ bakelite handler duly bright chrome plated in card board boxes.
Type |
Lens dia |
Focal Length |
Magnification |
1 |
40mm |
100mm |
3.5 |
2 |
50mm |
150mm |
2.5 |
3 |
63mm |
200mm |
2.25 |
4 |
63mm |
150mm |
2.5 |
5 |
75mm |
200mm |
2.5 |
6 |
75mm |
150mm |
2.25 |
7 |
100mm |
200mm |
2.5 |
8 |
100mm |
150mm |
2.25 |
9 |
150mm |
300mm |
1.83 |
|
|
| |
| |
|
|
Click to Enlarge
|
Meter Bridge (SI-PH-1126)
With 4 coil gaps, nickel led brass strips and connecting pieces, with 4mm socket terminals, fitted on wooden base. Wooden scale graduated 0-100 cmX1mm, with knife –edge Jockey
|
|
| |
| |
|
|
Click to Enlarge
|
Meter Scales (SI-PH-1127)
Made out of superior quality of seasoned hard wood One edges divided into centimeters and Millimeters, while the other edge in inches and tenths of an inch. One meter long
|
|
| |
| |
|
|
Click to Enlarge
|
Microtome Junior Rotary (SI-PH-1128)
For cutting thin section of his to pathological specimens and for plastic, rubber, leather, tea exile ad fertilizer industries. It stands on a heavy cast iron base to ensure rigidity and stability. The base plate is supported by shock absorbing rubber feet. The housing affords effective protection to the mechanism against dust and paraffin west etc. The Microtome is driven by a handle, which can be mechanically operated crack can be adjusted from 1 micron to 25 microns in steps I micro n each by means of knurled knob on the front of the instrument. The efficient ball and socket clamp renders. It possible to interchange specimen’s clamp and paraffin stage with a single motion. The knife work is equipped of backward with handle
|
|
| |
| |
|
|
Click to Enlarge
|
Mirror Concave (SI-PH-1129)
Optically worked bask silvered, with protective coating
a) Diameter 50mm, Fl 75,100,150,200,250,300mm
b) Diameter 75mm, Fl 75,100,150,200,250,300mm
|
|
| |
| |
|
|
Click to Enlarge
|
Mirror Strip (SI-PH-1130)
Mirror strip size 7.5x2.5 cm, 15x2.5cm 10x7.5cm
|
|
| |
| |
|
|
Click to Enlarge
|
Mirrors Convex (SI-PH-1131)
Optically worked back silvered, with protective coating
a) Diameter 50mm, Fl 75,100,150,200,250,300mm
b) Diameter 75mm Fl 75,100,150,200,250,300mm
|
|
| |
| |
|
|
Click to Enlarge
|
Model Petrol 2 strokes (SI-PH-1132)
An air- cooled cut way hand operated demonstration model is with a cylinder head fitted with an igniter. A control plate, which wipes a contact at a proper interval at every stroke, thus turning on the lamp to represent the explosion The cont act plate can be moved to show the effect of advancing and spark retarding. The rigid cast model is complete with carburetor and is approximately 40cm high fitted vertically on approx 20-x25cm heavy metal wooden base.
|
|
| |
| |
|
|
Click to Enlarge
|
Newton Rings Apparatus (SI-PH-1133)
Consist of a Plano convex lens of 63mm diameter and 100cm focal length placed on a circular on a circular plane glass plate of equal diameter. Both enclosed in frame with three compression screws for proper contact between lens and the plate.
|
|
| |
| |
|
|
Click to Enlarge
|
Oersted’s Apparatus (SI-PH-1134)
To show action of the electrical current on a magnet, Magnetic needle 75mm long with brass bearing supported by pivot mounted on wooden base and surroundd ed by rectangles copper/ Brass rods fitted with terminals.
|
|
| |
| |
|
|
Click to Enlarge
|
Optical Bench Research (SI-PH-1135)
One Meter log for advanced work consists of 2 rods. One stainless steel and chrome plated steel the stainless steel is divided in mm. These are supported on heavy cast iron feet with leveling screws. For special designed metal slides having a fine index mark enable rereading to betaken on the scale with easy and ac curacy the slides are machined metal so they slide accurately & smoothly on the bed, Two of the slides are transverse slow motion adjustment. Complete with 6accessories, two lenses holders, two optical pins, one candleholder and one screen ground glass.
|
|
| |
| |
|
|
Click to Enlarge
|
Optical Benches (SI-PH-1136)
Simple pattern, comprising wooden base board with a one me tar scale graduated in millimeter fixed along the front edge and complete with 8 riders 2 lens holders , candle holder , pin hole plate wire gauge , Screen , Ground glass Screen , Prism table, Needle , all on polished wooden base with index mark.
|
|
| |
| |
|
|
Click to Enlarge
|
Organ pipes (SI-PH-1137)
Made of polished wood, open form, overall length 40cm
|
|
| |
| |
|
|
Click to Enlarge
|
Pendulum Bobs (SI-PH-1138)
Brass sphere with hook Diameter
1) 13mm
2) 19mm
|
|
| |
| |
|
|
Click to Enlarge
|
Periscopes (SI-PH-1139)
Consists of two glass mirrors inclined at 45 one at the top and the other at the bottom of a metal tube 50cm long, with openings opposite the mirrors.
|
|
| |
| |
|
|
Click to Enlarge
|
Physical Weight Box (SI-PH-1140)
Superior brass chrome plated, accurate. Capacity 1mgm. To 100gm, 1mgm to 200gm, 1 mgm to 500gm and 1mg to 1000gm
|
|
| |
| |
|
|
Click to Enlarge
|
Pipette Stand (SI-PH-1141)
Hardwood baser with rubber feet Clamp with lined jaws and funnel holder slotted for ease of entry Fitted with screws Base 33x11cm total height 50cm
|
|
| |
| |
|
|
Click to Enlarge
|
Polarimeter Simple (SI-PH-1142)
This instrument designed to make an elementary study of optical activity substances. The polar meter consists of two Polaroid’s, one of which acts as a polarizes and the other as an analyzer. Light is passed from the polarize to the analyzer from a lamp which, if desired can be replaced by a simple reflector provided at the base which can be rotated to make use of daylight. If however, the lamp is to a 12 volts D.C or A.C supply using 4mm sockets is provided for the purpose. The movement of the analyzer can be measured with the help of a circular scale graduated in degrees.
|
|
| |
| |
|
|
Click to Enlarge
|
Polarimeter, Laurent’s half shade tube for above. (SI-PH-1143)
Consist of two Polaroid’s (One used as polarize and the other as analyzer) Laurents half shade device and 200mm observation tube of glass, the polariser and the half shade device fixed at one end the angle of rotation can be measured accurately to 6 minutes of arc with the help of vernier scale rotatable along a circular scale graduated from 0 to 360 C. Fine motion tangent screw provided for finer adjustments complete with case.
|
|
| |
| |
|
|
Click to Enlarge
|
Post offices Box Dial Type (Decade) (SI-PH-1144)
(Wheat stone bridge) These are provided with two ratio dials with 4 ratios of 1, 10, 100 and 1000ohms. The ratio coils of all bridges are selected so that their differences are even less than their inaccuracies of their actual values thus making the bridge a very accurate one. Series resistance is in 4 dials with 10coils in each dial. Two terminals are provided for using the terminals for battery and galvanometer
|
|
| |
| |
|
|