£12.46
Fibre nib to fit Lambrecht barographs and drum recorders. Each pen has two small dovetail grooves on the back so that it can be carefully slotted on...
£67.92
Lambrecht Chart 252 is a Monday start chart printed in green, measuring humidity from 0-100 % and temperatures between -35°C to +45°C. Paper size is 182mm x...
£27.46
Masons wet and dry bulb hygrometer for measuring relative humidity. Supplied mounted in a yellow plastic case complete with wick, reservoir and relative humidity conversion tables. These...