SLIDE RULE DATA SLIPS, COMPILED BY C. N. PICKWORTH, WH.SC.

(_It is suggested that this page be removed by cutting through the above

line, and selected portions of the Sectional Data Slips attached to the

back of the Slide Rule._)

¹⁄₃₂ │0·03125

¹⁄₁₆ │0·0625

³⁄₃₂ │0·09375

⅛ │0·125

⁵⁄₃₂ │0·15625

³⁄₁₆ │0·1875

⁷⁄₃₂ │0·21875

¼ │0·25

⁹⁄₃₂ │0·28125

⁵⁄₁₆ │0·3125

¹¹⁄₃₂ │0·34375

⅜ │0·375

¹³⁄₃₂ │0·40625

⁷⁄₁₆ │0·4375

¹⁵⁄₃₂ │0·46875

¹⁷⁄₃₂ │0·53125

⁹⁄₁₆ │0·5625

¹⁹⁄₃₂ │0·59375

⅝ │0·625

²¹⁄₃₂ │0·65625

¹¹⁄₁₆ │0·6875

²³⁄₃₂ │0·71875

¾ │0·75

²⁵⁄₃₂ │0·78125

¹³⁄₁₆ │0·8125

²⁷⁄₃₂ │0·84375

⅞ │0·875

²⁹⁄₃₂ │0·90625

¹⁵⁄₁₆ │0·9375

³¹⁄₃₂ │0·96875

Circ. of circle = 3·1416 _d_.

Area „ „ = 0·7854 _d_^2.

Sq. eq. area to cir., _s_ = 0·886 _d_.

Circle eq. to sq., _d_ = 1·128 _s_.

Sq. inscbd. in circ., _s_ = 0·707 _d_.

Circsb. circ. of sq., _d_ = 1·414 _s_.

Area of ellipse = 0.7854 _a_ × _b_.

Surface of sphere = 3·1416 _d_^2.

Volume „ „ = 0·5236 _d_^3.

„ „ cone = 0·2618 _d_^2 _h_.

Radian = (180°)/(π) = 57·29 deg.

Base of nat. or hyp. log. = e = 2·7183.

Nat. or hyp. log. = com. log. × 2·3026.

g (at London) 32·18 ft. per sec., per sec.

Abs. temp. = deg. F. + 461° = deg. C. + 274°.

The slide rule · 第 112 / 138 题