One meter length, single square stable graduated rod, fitted on two sturdy metal feet with leveling screws. Supplied with four sliders with index marking. Two of the sliders are provided with transverse fine motion knobs. Supplied complete with two lens holders and two sharp optical pins.
One meter length, single square stable graduated rod, fitted on two sturdy metal feet with leveling screws. Supplied with four sliders with index marking. Two of the sliders are provided with transverse fine motion knobs. Supplied complete with two lens holders and two sharp optical pins.
It comprises a wooden base board 1110 x 115 mm (L x W) with a one meter scale divided in mms and figured at cms, is fixed along the front edge. Supplied complete with following accessories mounted on
100 x 50mm bases.
(a) 2 Nos Object and receiving screens
(b) 1 No Plane mirror 150 x 100 mm mounted on a base.
(c) 4 Nos Lens holder with V grooves
(d) 1 No Needle mounted vertically in a short wooden rod
(e) 1 No Candle Holder
Optical centre height of all components is 100 mm.
It comprises a wooden base board 1110 x 115 mm (L x W) with a one meter scale divided in mms and figured at cms, is fixed along the front edge. Supplied complete with following accessories mounted on
100 x 50mm bases.
(a) 2 Nos Object and receiving screens
(b) 1 No Plane mirror 150 x 100 mm mounted on a base.
(c) 4 Nos Lens holder with V grooves
(d) 1 No Needle mounted vertically in a short wooden rod
(e) 1 No Candle Holder
Optical centre height of all components is 100 mm.
1.5 meter long, for advanced research work; consists of two rods, one stainless steel & one chrome plated steel. The stainless rod is divided in mm. These are supported on heavy cast iron feet with levelling screws. Four specially designed metal sliders having a fine index mark enables reading to be taken on scale with ease & accuracy. The sliders are machined metal so they slide accurately & smoothly on the bed. Two of the sliders have transverse slow motion adjustment. Complete with 6 accessories ( 2 lens holders, 2 optical pins, 1 candle holder, & 1 screen ground glass)
1.5 meter long, for advanced research work; consists of two rods, one stainless steel & one chrome plated steel. The stainless rod is divided in mm. These are supported on heavy cast iron feet with levelling screws. Four specially designed metal sliders having a fine index mark enables reading to be taken on scale with ease & accuracy. The sliders are machined metal so they slide accurately & smoothly on the bed. Two of the sliders have transverse slow motion adjustment. Complete with 6 accessories ( 2 lens holders, 2 optical pins, 1 candle holder, & 1 screen ground glass)
An inexpensive and simple optical Bench which can be used by junior & senior students alike.
It comprises a wooden base board 1600 x 140 mm (L x W). It has 1.5mtr scale figured in cms and subdivided in mms, six sliding bases 100 x 50 mm each with engraved index line, iron pillars with locking screw. Supplied complete with following accessories:
(a) 1 No Lamp house with white lamp 240V, 15 W
(b) 1 No White metal object screen 75 mm diameter with gauze
(c) 1 No Holder for lenses 38 diameter
(d) 1 No White Metal receiving screen 100 x 75 mm with a slot for squared paper screen on the reverse.
(e) 1 No Object needle mounted in 6 mm rod.
(f) 1 No Plane mirror in metal frame 100 x 75 mm.
All above accessories are mounted on a 6 mm rod which fits into sliding bases. Optical height above base board is 125 mm approx.
An inexpensive and simple optical Bench which can be used by junior & senior students alike.
It comprises a wooden base board 1600 x 140 mm (L x W). It has 1.5mtr scale figured in cms and subdivided in mms, six sliding bases 100 x 50 mm each with engraved index line, iron pillars with locking screw. Supplied complete with following accessories:
(a) 1 No Lamp house with white lamp 240V, 15 W
(b) 1 No White metal object screen 75 mm diameter with gauze
(c) 1 No Holder for lenses 38 diameter
(d) 1 No White Metal receiving screen 100 x 75 mm with a slot for squared paper screen on the reverse.
(e) 1 No Object needle mounted in 6 mm rod.
(f) 1 No Plane mirror in metal frame 100 x 75 mm.
All above accessories are mounted on a 6 mm rod which fits into sliding bases. Optical height above base board is 125 mm approx.
Circular blacked metal screen, 75 mm diameter with 12.5 mm central aperture. A screw controlled, spring loaded precision slit is mounted on one side of the disc, the adjustment drive being arranged so that the slit can not be over tightened. The slit has levelled jaws with brass, dovetail section slides, & provides a maximum slit opening of 4 mm approx. with a useful length of 10 to 12 mm. Mounted on a standard 6 mm diameter brass rod, the optical centre height is 80 mm approx.
Circular blacked metal screen, 75 mm diameter with 12.5 mm central aperture. A screw controlled, spring loaded precision slit is mounted on one side of the disc, the adjustment drive being arranged so that the slit can not be over tightened. The slit has levelled jaws with brass, dovetail section slides, & provides a maximum slit opening of 4 mm approx. with a useful length of 10 to 12 mm. Mounted on a standard 6 mm diameter brass rod, the optical centre height is 80 mm approx.
A circular blacked metal screen 75 mm dia with a 10 mm diameter aperture & cross wire of 26 swg wire. Mounted on a 6 mm brass rod giving a centre height of 80 mm approx.
A circular blacked metal screen 75 mm dia with a 10 mm diameter aperture & cross wire of 26 swg wire. Mounted on a 6 mm brass rod giving a centre height of 80 mm approx.
In metal frame 100 x 75 mm with a central aperture 63 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Overall 130 mm height.
In metal frame 100 x 75 mm with a central aperture 63 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Overall 130 mm height.
A metal screen 75 mm diameter, with an adjustable iris diaphragm mounted in the centre, giving a maximum aperture of 6 mm. The disc is mounted on a 6 mm brass rod & the optical centre height is 80 mm approx
A metal screen 75 mm diameter, with an adjustable iris diaphragm mounted in the centre, giving a maximum aperture of 6 mm. The disc is mounted on a 6 mm brass rod & the optical centre height is 80 mm approx
A 240 V 15W white B.C. Pygmy lamp in a conical lamp house 70 mm long x 65 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Supplied complete with 1.5 mm of twin flex.
A 240 V 15W white B.C. Pygmy lamp in a conical lamp house 70 mm long x 65 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Supplied complete with 1.5 mm of twin flex.
The micrometer slit is as above but has a heavier screw thread, 0.5 mm pitch x 6 mm diameter, carrying a drum which is divided into 50 divisions giving a reading of 0.01 mm. An index is provided with a 5 mm scale divided in 0.5 mm divisions.
The micrometer slit is as above but has a heavier screw thread, 0.5 mm pitch x 6 mm diameter, carrying a drum which is divided into 50 divisions giving a reading of 0.01 mm. An index is provided with a 5 mm scale divided in 0.5 mm divisions.
