All quoted prices are for week 1 hire.
Week two hire is discounted by 25%.
Week three hire and onwards are discounted by 50%. Eg Week 1 £100, week 2 £75, week 3 £50 and week 4 £50.
All prices are plus VAT.
In stock: 1 products
Product specs
Gambrell Bros. resistance box, London. A precision plug-type resistance box used for laboratory measurement, bridge work and telegraph/cable testing. Brass terminals and removable plugs allow accurate selection of known resistance values for calibration and circuit comparison. Marked “Gambrell’s Patent,” reflecting specialist late Victorian instrument manufacture. c.1890s–1910s.
