Delhi, India
Our Products
Slide Box(138) |
To hold slides of 75 x 25mm. The slide slots are numbered for easy reference from the index |
| a | b | c | ||
| I | Plastic | 25 slide | 50 slides | 100 slides |
| II | Wooden | 25 slide | 50 slides | 100 slides |
SLIDE BOX WOODEN(4) |
Plastic, die moulded, compact, to hold slides 75x25 mm, vertically in pre-numbered grooves, provided with index card. |
Resistance Box, Plug Pattern(766) |
Fitted in polished wooden box with bakelite top panel. Values are figured in front of respective sockets made of split brass contact blocks hold precision cut. Plug keys are made of brass and interchangeable. Plug keys are fitted in moulded bakelite top. The resistances are made of constantan wire, accuracy 0.1%. Ranges Total No. of Coils (ohms) Resistance (Ohms) a) 1-50 110 8 b) 1-100 210 9 c) 1-500 1110 12 d) 1-10002110 13 e) 1-500011110 16 f) 1-10000 21110 17 |
Induction coil Box Form(734) |
Box Form, coils are wound with insulated copper wire and in wooden case, fitted with adjustable alloy contact, on/off switch, 2 socket terminals, a pair of pointer electrodes with insulated handles for adjustment of spark gap, operates on 6-12V supply |
Consist of 12 capacitors ranging from 100 pF to 0.47 microfarad (standard capacitors) selectable by rotary switch. Fitted inside a wooden box, well polished, and outside connection by a pair of 4mm sockets. Capacitance values are 100pf, 200 pF, 470 pF, 1, 2.2, 4.7, 10, 22 and 47nf and 0.1, 0.22, 0.47 Microfarads, Accuracy 3%, 250V DC.
