A 801
A 802
| A801. Laboratory Clock. This is an eight-day clock; has a movement of the best workmanship, is driven by two strong springs, and keeps accurate time. The dial is 12 inches in diameter and has hour, minute and second hands. Pendulum beats seconds and makes electric contact by means of an adjustable mercury cup. It is mounted in a hardwood case with glass door. Price. | $27.00 |
| A802. Laboratory Clock. The same as preceding one, but with better clock movement, gravity driven. Price. | $35.00 |
| A803. Regulator Clock. This clock has a first-class eight day movement with cut steel pinions. It is fitted with mercury compensation pendulum and electrical seconds contact. Price. | $200.00 |
Note.—We can furnish free of duty to educational institutions astronomical precision clocks made by C. Riefler, Germany, and will be pleased to quote prices to interested parties.
A 1200