Jorge Stolfi, 2011-11-04
Envelux™ brand envelope backs -- essential for your back-of-the-envelope computations.
Obtained from real high-quality non-blotting paper envelopes, these handy computation aids comply with all US and EU Post Office regulations and have been praised by the greatest scientific and engineering minds of our time.
Avaliable in US letter and European ISO standard sizes. In you order, specify the ending "-0" for bleached paper, ideal for sharper insights; or "-1" for unbleached "organic" paper, suitable for environmentally responsible guesswork. Note: some items may have post office stamps.
| Part. No. | Description and dimensions | Qty. 1 | Qty. 100 |
|---|---|---|---|
| 4634-417-X | 41/8" × 91/2" (for US letter paper size), pack of 144 | 37.99 | 34.99 |
| 4634-418-X | 114 × 229 mm (ISO C5/C6) pack of 144 | 38.99 | 35.99 |
PS: We also cater to restaurants, bars, cafeterias, cafés, and other establishments where scientists and engineers may feel the sudden need for rough computations. Call us to find out more about our monthly bulk delivery service.
