The Thornton Mark Two is also known as the AD 150
Founded in 1880 at 109 Deansgate, Manchester by Alexander George Thornton, the firm grew to become one of the largest manufacturers of drawing instruments and slide rules in Britain. The Precision Instrument Co was taken over in 1901 and PIC continued to be used by Thornton as a trade mark until about 1970. The firm became British Thornton in 1967 and merged with ESF at Burley in 1992. British Thornton is now a manufacturer of school furniture in Keighley.
British Thornton "AD150 Advanced” open frame simplex, ten inch slide rule made of plastic. The scales are LL1,LL2,LL3,A{B,C1,K,C}D,S,ST,T. It has the usual hard plastic case. This rule replaced the AD050 shown above. On these "Mark 2” rules the differential trig scales had been dropped and this rule has a third log log scale
Hire Charges
Hire Charges
We currently do not have our charges listed online, but we are happy to quote you by phone. Please call us on 01440 709794 and we'll be happy to help.
Minimum Order Charge
We do have a minimum order charge of £50 (excluding delivery) for all hires. This is to cover the time involved in organising and dispatching a single small item. Sorry :-(
Payment
New clients are required to pay in advance by BACS or credit card. Repeat customers can open a credit account with us on 30 days terms.
Multiple Items & Job Lots
If you're looking to fit out an entire set and need many items, we are happy to quote a discounted rate based on the quantity of items.
Dry Hire
The term dry hire means to hire an item without having a technician supplied to support it. Most of our small items are available to dry hire, but some of the more complicated equipment that require specialist knowledge are not. In these cases we will deliver the item(s) personally and set them up for you. Please call us for a quotation based on the hire period and location.
